Home / 61,374.47-84,668.18-39,862.70

Finding the Fourth Proportional to 61,374.47, 84,668.18 and 39,862.70

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Solution

The fourth proportional to 61,374.47, 84,668.18 and 39,862.70 is: 54,991.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,374.47 : 84,668.18 = 39,862.70 : x
  2. Step 2: Convert to fraction form
    61,374.47/84,668.18 = 39,862.70/x
  3. Step 3: Cross multiply
    61,374.47x = 84,668.18 × 39,862.70
  4. Step 4: Simplify right side
    61,374.47x = 3,375,101,636.23
  5. Step 5: Solve for x
    x = 3,375,101,636.23/61,374.47
  6. Step 6: Final answer
    x = 54,991.95

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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.