Home / 45,114.85-67,675.76-15,129.15

Finding the Fourth Proportional to 45,114.85, 67,675.76 and 15,129.15

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Solution

The fourth proportional to 45,114.85, 67,675.76 and 15,129.15 is: 22,694.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,114.85 : 67,675.76 = 15,129.15 : x
  2. Step 2: Convert to fraction form
    45,114.85/67,675.76 = 15,129.15/x
  3. Step 3: Cross multiply
    45,114.85x = 67,675.76 × 15,129.15
  4. Step 4: Simplify right side
    45,114.85x = 1,023,876,724.40
  5. Step 5: Solve for x
    x = 1,023,876,724.40/45,114.85
  6. Step 6: Final answer
    x = 22,694.89

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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.