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Finding the Fourth Proportional to 56,989.68, 85,494.24 and 25,411.20

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Solution

The fourth proportional to 56,989.68, 85,494.24 and 25,411.20 is: 38,121.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,989.68 : 85,494.24 = 25,411.20 : x
  2. Step 2: Convert to fraction form
    56,989.68/85,494.24 = 25,411.20/x
  3. Step 3: Cross multiply
    56,989.68x = 85,494.24 × 25,411.20
  4. Step 4: Simplify right side
    56,989.68x = 2,172,511,231.49
  5. Step 5: Solve for x
    x = 2,172,511,231.49/56,989.68
  6. Step 6: Final answer
    x = 38,121.13

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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.