Home / 42,480.14-63,680.40-14,380.53

Finding the Fourth Proportional to 42,480.14, 63,680.40 and 14,380.53

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Solution

The fourth proportional to 42,480.14, 63,680.40 and 14,380.53 is: 21,557.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,480.14 : 63,680.40 = 14,380.53 : x
  2. Step 2: Convert to fraction form
    42,480.14/63,680.40 = 14,380.53/x
  3. Step 3: Cross multiply
    42,480.14x = 63,680.40 × 14,380.53
  4. Step 4: Simplify right side
    42,480.14x = 915,757,902.61
  5. Step 5: Solve for x
    x = 915,757,902.61/42,480.14
  6. Step 6: Final answer
    x = 21,557.32

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.