Home / 57,957.21-86,979.60-42,414.93

Finding the Fourth Proportional to 57,957.21, 86,979.60 and 42,414.93

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Solution

The fourth proportional to 57,957.21, 86,979.60 and 42,414.93 is: 63,654.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,957.21 : 86,979.60 = 42,414.93 : x
  2. Step 2: Convert to fraction form
    57,957.21/86,979.60 = 42,414.93/x
  3. Step 3: Cross multiply
    57,957.21x = 86,979.60 × 42,414.93
  4. Step 4: Simplify right side
    57,957.21x = 3,689,233,645.43
  5. Step 5: Solve for x
    x = 3,689,233,645.43/57,957.21
  6. Step 6: Final answer
    x = 63,654.44

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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.