Home / 42,083.28-63,125.33-10,918.53

Finding the Fourth Proportional to 42,083.28, 63,125.33 and 10,918.53

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Solution

The fourth proportional to 42,083.28, 63,125.33 and 10,918.53 is: 16,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,083.28 : 63,125.33 = 10,918.53 : x
  2. Step 2: Convert to fraction form
    42,083.28/63,125.33 = 10,918.53/x
  3. Step 3: Cross multiply
    42,083.28x = 63,125.33 × 10,918.53
  4. Step 4: Simplify right side
    42,083.28x = 689,235,754.77
  5. Step 5: Solve for x
    x = 689,235,754.77/42,083.28
  6. Step 6: Final answer
    x = 16,377.90

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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.