Home / 42,056.39-63,084.82-12,474.45

Finding the Fourth Proportional to 42,056.39, 63,084.82 and 12,474.45

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Solution

The fourth proportional to 42,056.39, 63,084.82 and 12,474.45 is: 18,711.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,056.39 : 63,084.82 = 12,474.45 : x
  2. Step 2: Convert to fraction form
    42,056.39/63,084.82 = 12,474.45/x
  3. Step 3: Cross multiply
    42,056.39x = 63,084.82 × 12,474.45
  4. Step 4: Simplify right side
    42,056.39x = 786,948,432.85
  5. Step 5: Solve for x
    x = 786,948,432.85/42,056.39
  6. Step 6: Final answer
    x = 18,711.74

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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.