Home / 42,976.52-64,354.62-25,458.92

Finding the Fourth Proportional to 42,976.52, 64,354.62 and 25,458.92

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Solution

The fourth proportional to 42,976.52, 64,354.62 and 25,458.92 is: 38,123.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,976.52 : 64,354.62 = 25,458.92 : x
  2. Step 2: Convert to fraction form
    42,976.52/64,354.62 = 25,458.92/x
  3. Step 3: Cross multiply
    42,976.52x = 64,354.62 × 25,458.92
  4. Step 4: Simplify right side
    42,976.52x = 1,638,399,122.21
  5. Step 5: Solve for x
    x = 1,638,399,122.21/42,976.52
  6. Step 6: Final answer
    x = 38,123.12

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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.