Home / 61,400.19-84,731.49-34,542.90

Finding the Fourth Proportional to 61,400.19, 84,731.49 and 34,542.90

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Solution

The fourth proportional to 61,400.19, 84,731.49 and 34,542.90 is: 47,668.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,400.19 : 84,731.49 = 34,542.90 : x
  2. Step 2: Convert to fraction form
    61,400.19/84,731.49 = 34,542.90/x
  3. Step 3: Cross multiply
    61,400.19x = 84,731.49 × 34,542.90
  4. Step 4: Simplify right side
    61,400.19x = 2,926,871,385.92
  5. Step 5: Solve for x
    x = 2,926,871,385.92/61,400.19
  6. Step 6: Final answer
    x = 47,668.77

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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.