Home / 40,916.31-61,429.14-39,587.70

Finding the Fourth Proportional to 40,916.31, 61,429.14 and 39,587.70

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Solution

The fourth proportional to 40,916.31, 61,429.14 and 39,587.70 is: 59,434.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,916.31 : 61,429.14 = 39,587.70 : x
  2. Step 2: Convert to fraction form
    40,916.31/61,429.14 = 39,587.70/x
  3. Step 3: Cross multiply
    40,916.31x = 61,429.14 × 39,587.70
  4. Step 4: Simplify right side
    40,916.31x = 2,431,838,365.58
  5. Step 5: Solve for x
    x = 2,431,838,365.58/40,916.31
  6. Step 6: Final answer
    x = 59,434.45

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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.