Home / 42,205.74-63,311.94-14,125.95

Finding the Fourth Proportional to 42,205.74, 63,311.94 and 14,125.95

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Solution

The fourth proportional to 42,205.74, 63,311.94 and 14,125.95 is: 21,190.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,205.74 : 63,311.94 = 14,125.95 : x
  2. Step 2: Convert to fraction form
    42,205.74/63,311.94 = 14,125.95/x
  3. Step 3: Cross multiply
    42,205.74x = 63,311.94 × 14,125.95
  4. Step 4: Simplify right side
    42,205.74x = 894,341,298.84
  5. Step 5: Solve for x
    x = 894,341,298.84/42,205.74
  6. Step 6: Final answer
    x = 21,190.04

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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.