Home / 42,376.88-63,563.78-12,793.95

Finding the Fourth Proportional to 42,376.88, 63,563.78 and 12,793.95

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Solution

The fourth proportional to 42,376.88, 63,563.78 and 12,793.95 is: 19,190.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,376.88 : 63,563.78 = 12,793.95 : x
  2. Step 2: Convert to fraction form
    42,376.88/63,563.78 = 12,793.95/x
  3. Step 3: Cross multiply
    42,376.88x = 63,563.78 × 12,793.95
  4. Step 4: Simplify right side
    42,376.88x = 813,231,616.75
  5. Step 5: Solve for x
    x = 813,231,616.75/42,376.88
  6. Step 6: Final answer
    x = 19,190.46

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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.