Home / 42,863.49-64,295.25-19,496.61

Finding the Fourth Proportional to 42,863.49, 64,295.25 and 19,496.61

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Solution

The fourth proportional to 42,863.49, 64,295.25 and 19,496.61 is: 29,244.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,863.49 : 64,295.25 = 19,496.61 : x
  2. Step 2: Convert to fraction form
    42,863.49/64,295.25 = 19,496.61/x
  3. Step 3: Cross multiply
    42,863.49x = 64,295.25 × 19,496.61
  4. Step 4: Simplify right side
    42,863.49x = 1,253,539,414.10
  5. Step 5: Solve for x
    x = 1,253,539,414.10/42,863.49
  6. Step 6: Final answer
    x = 29,244.92

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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.