Home / 62,451.18-86,184.45-34,158.78

Finding the Fourth Proportional to 62,451.18, 86,184.45 and 34,158.78

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Solution

The fourth proportional to 62,451.18, 86,184.45 and 34,158.78 is: 47,140.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,451.18 : 86,184.45 = 34,158.78 : x
  2. Step 2: Convert to fraction form
    62,451.18/86,184.45 = 34,158.78/x
  3. Step 3: Cross multiply
    62,451.18x = 86,184.45 × 34,158.78
  4. Step 4: Simplify right side
    62,451.18x = 2,943,955,666.97
  5. Step 5: Solve for x
    x = 2,943,955,666.97/62,451.18
  6. Step 6: Final answer
    x = 47,140.11

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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.