Home / 42,374.90-63,575.04-12,793.70

Finding the Fourth Proportional to 42,374.90, 63,575.04 and 12,793.70

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Solution

The fourth proportional to 42,374.90, 63,575.04 and 12,793.70 is: 19,194.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,374.90 : 63,575.04 = 12,793.70 : x
  2. Step 2: Convert to fraction form
    42,374.90/63,575.04 = 12,793.70/x
  3. Step 3: Cross multiply
    42,374.90x = 63,575.04 × 12,793.70
  4. Step 4: Simplify right side
    42,374.90x = 813,359,989.25
  5. Step 5: Solve for x
    x = 813,359,989.25/42,374.90
  6. Step 6: Final answer
    x = 19,194.38

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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.