Home / 42,380.28-63,545.03-14,299.71

Finding the Fourth Proportional to 42,380.28, 63,545.03 and 14,299.71

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Solution

The fourth proportional to 42,380.28, 63,545.03 and 14,299.71 is: 21,441.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,380.28 : 63,545.03 = 14,299.71 : x
  2. Step 2: Convert to fraction form
    42,380.28/63,545.03 = 14,299.71/x
  3. Step 3: Cross multiply
    42,380.28x = 63,545.03 × 14,299.71
  4. Step 4: Simplify right side
    42,380.28x = 908,675,500.94
  5. Step 5: Solve for x
    x = 908,675,500.94/42,380.28
  6. Step 6: Final answer
    x = 21,441.00

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1.5x scale

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.