Home / 38,531.20-57,734.70-21,841.60

Finding the Fourth Proportional to 38,531.20, 57,734.70 and 21,841.60

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Solution

The fourth proportional to 38,531.20, 57,734.70 and 21,841.60 is: 32,727.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,531.20 : 57,734.70 = 21,841.60 : x
  2. Step 2: Convert to fraction form
    38,531.20/57,734.70 = 21,841.60/x
  3. Step 3: Cross multiply
    38,531.20x = 57,734.70 × 21,841.60
  4. Step 4: Simplify right side
    38,531.20x = 1,261,018,223.52
  5. Step 5: Solve for x
    x = 1,261,018,223.52/38,531.20
  6. Step 6: Final answer
    x = 32,727.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.