Home / 42,377.88-63,565.28-12,794.95

Finding the Fourth Proportional to 42,377.88, 63,565.28 and 12,794.95

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Solution

The fourth proportional to 42,377.88, 63,565.28 and 12,794.95 is: 19,191.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,377.88 : 63,565.28 = 12,794.95 : x
  2. Step 2: Convert to fraction form
    42,377.88/63,565.28 = 12,794.95/x
  3. Step 3: Cross multiply
    42,377.88x = 63,565.28 × 12,794.95
  4. Step 4: Simplify right side
    42,377.88x = 813,314,579.34
  5. Step 5: Solve for x
    x = 813,314,579.34/42,377.88
  6. Step 6: Final answer
    x = 19,191.96

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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.