Home / 40,711.17-61,070.40-11,129.16

Finding the Fourth Proportional to 40,711.17, 61,070.40 and 11,129.16

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Solution

The fourth proportional to 40,711.17, 61,070.40 and 11,129.16 is: 16,694.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,711.17 : 61,070.40 = 11,129.16 : x
  2. Step 2: Convert to fraction form
    40,711.17/61,070.40 = 11,129.16/x
  3. Step 3: Cross multiply
    40,711.17x = 61,070.40 × 11,129.16
  4. Step 4: Simplify right side
    40,711.17x = 679,662,252.86
  5. Step 5: Solve for x
    x = 679,662,252.86/40,711.17
  6. Step 6: Final answer
    x = 16,694.74

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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.