Home / 42,932.39-64,391.30-11,342.80

Finding the Fourth Proportional to 42,932.39, 64,391.30 and 11,342.80

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Solution

The fourth proportional to 42,932.39, 64,391.30 and 11,342.80 is: 17,012.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,932.39 : 64,391.30 = 11,342.80 : x
  2. Step 2: Convert to fraction form
    42,932.39/64,391.30 = 11,342.80/x
  3. Step 3: Cross multiply
    42,932.39x = 64,391.30 × 11,342.80
  4. Step 4: Simplify right side
    42,932.39x = 730,377,258.97
  5. Step 5: Solve for x
    x = 730,377,258.97/42,932.39
  6. Step 6: Final answer
    x = 17,012.27

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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.