Home / 57,124.80-85,687.20-15,002.10

Finding the Fourth Proportional to 57,124.80, 85,687.20 and 15,002.10

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Solution

The fourth proportional to 57,124.80, 85,687.20 and 15,002.10 is: 22,503.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,124.80 : 85,687.20 = 15,002.10 : x
  2. Step 2: Convert to fraction form
    57,124.80/85,687.20 = 15,002.10/x
  3. Step 3: Cross multiply
    57,124.80x = 85,687.20 × 15,002.10
  4. Step 4: Simplify right side
    57,124.80x = 1,285,487,943.12
  5. Step 5: Solve for x
    x = 1,285,487,943.12/57,124.80
  6. Step 6: Final answer
    x = 22,503.15

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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.