Home / 33,108.18-45,657.96-21,150.76

Finding the Fourth Proportional to 33,108.18, 45,657.96 and 21,150.76

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Solution

The fourth proportional to 33,108.18, 45,657.96 and 21,150.76 is: 29,168.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,108.18 : 45,657.96 = 21,150.76 : x
  2. Step 2: Convert to fraction form
    33,108.18/45,657.96 = 21,150.76/x
  3. Step 3: Cross multiply
    33,108.18x = 45,657.96 × 21,150.76
  4. Step 4: Simplify right side
    33,108.18x = 965,700,554.05
  5. Step 5: Solve for x
    x = 965,700,554.05/33,108.18
  6. Step 6: Final answer
    x = 29,168.04

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Find fourth proportional to 16,554.09, 22,828.98 and 10,575.38
Half scale
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Double scale
Find fourth proportional to 33,109.18, 45,659.34 and 21,151.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.