Home / 61,515.13-84,891.17-34,658.05

Finding the Fourth Proportional to 61,515.13, 84,891.17 and 34,658.05

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Solution

The fourth proportional to 61,515.13, 84,891.17 and 34,658.05 is: 47,828.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,515.13 : 84,891.17 = 34,658.05 : x
  2. Step 2: Convert to fraction form
    61,515.13/84,891.17 = 34,658.05/x
  3. Step 3: Cross multiply
    61,515.13x = 84,891.17 × 34,658.05
  4. Step 4: Simplify right side
    61,515.13x = 2,942,162,414.42
  5. Step 5: Solve for x
    x = 2,942,162,414.42/61,515.13
  6. Step 6: Final answer
    x = 47,828.27

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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.