Home / 33,236.38-45,840.27-21,300.83

Finding the Fourth Proportional to 33,236.38, 45,840.27 and 21,300.83

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Solution

The fourth proportional to 33,236.38, 45,840.27 and 21,300.83 is: 29,378.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,236.38 : 45,840.27 = 21,300.83 : x
  2. Step 2: Convert to fraction form
    33,236.38/45,840.27 = 21,300.83/x
  3. Step 3: Cross multiply
    33,236.38x = 45,840.27 × 21,300.83
  4. Step 4: Simplify right side
    33,236.38x = 976,435,798.42
  5. Step 5: Solve for x
    x = 976,435,798.42/33,236.38
  6. Step 6: Final answer
    x = 29,378.52

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Find fourth proportional to 16,618.19, 22,920.14 and 10,650.42
Half scale
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Double scale
Find fourth proportional to 33,237.38, 45,841.65 and 21,301.83
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.