Home / 45,310.95-67,909.01-25,600.61

Finding the Fourth Proportional to 45,310.95, 67,909.01 and 25,600.61

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Solution

The fourth proportional to 45,310.95, 67,909.01 and 25,600.61 is: 38,368.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,310.95 : 67,909.01 = 25,600.61 : x
  2. Step 2: Convert to fraction form
    45,310.95/67,909.01 = 25,600.61/x
  3. Step 3: Cross multiply
    45,310.95x = 67,909.01 × 25,600.61
  4. Step 4: Simplify right side
    45,310.95x = 1,738,511,612.95
  5. Step 5: Solve for x
    x = 1,738,511,612.95/45,310.95
  6. Step 6: Final answer
    x = 38,368.47

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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.