Home / 42,371.87-63,558.18-10,781.97

Finding the Fourth Proportional to 42,371.87, 63,558.18 and 10,781.97

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Solution

The fourth proportional to 42,371.87, 63,558.18 and 10,781.97 is: 16,173.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,371.87 : 63,558.18 = 10,781.97 : x
  2. Step 2: Convert to fraction form
    42,371.87/63,558.18 = 10,781.97/x
  3. Step 3: Cross multiply
    42,371.87x = 63,558.18 × 10,781.97
  4. Step 4: Simplify right side
    42,371.87x = 685,282,390.01
  5. Step 5: Solve for x
    x = 685,282,390.01/42,371.87
  6. Step 6: Final answer
    x = 16,173.05

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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.