Home / 52,029.54-71,800.76-28,156.21

Finding the Fourth Proportional to 52,029.54, 71,800.76 and 28,156.21

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Solution

The fourth proportional to 52,029.54, 71,800.76 and 28,156.21 is: 38,855.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,029.54 : 71,800.76 = 28,156.21 : x
  2. Step 2: Convert to fraction form
    52,029.54/71,800.76 = 28,156.21/x
  3. Step 3: Cross multiply
    52,029.54x = 71,800.76 × 28,156.21
  4. Step 4: Simplify right side
    52,029.54x = 2,021,637,276.72
  5. Step 5: Solve for x
    x = 2,021,637,276.72/52,029.54
  6. Step 6: Final answer
    x = 38,855.57

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Half scale
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Double scale
Find fourth proportional to 52,030.54, 71,802.14 and 28,157.21
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.