Home / 42,247.45-63,369.15-14,167.90

Finding the Fourth Proportional to 42,247.45, 63,369.15 and 14,167.90

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Solution

The fourth proportional to 42,247.45, 63,369.15 and 14,167.90 is: 21,251.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,247.45 : 63,369.15 = 14,167.90 : x
  2. Step 2: Convert to fraction form
    42,247.45/63,369.15 = 14,167.90/x
  3. Step 3: Cross multiply
    42,247.45x = 63,369.15 × 14,167.90
  4. Step 4: Simplify right side
    42,247.45x = 897,807,780.29
  5. Step 5: Solve for x
    x = 897,807,780.29/42,247.45
  6. Step 6: Final answer
    x = 21,251.17

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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.