Home / 40,115.72-60,175.50-15,153.80

Finding the Fourth Proportional to 40,115.72, 60,175.50 and 15,153.80

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Solution

The fourth proportional to 40,115.72, 60,175.50 and 15,153.80 is: 22,731.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,115.72 : 60,175.50 = 15,153.80 : x
  2. Step 2: Convert to fraction form
    40,115.72/60,175.50 = 15,153.80/x
  3. Step 3: Cross multiply
    40,115.72x = 60,175.50 × 15,153.80
  4. Step 4: Simplify right side
    40,115.72x = 911,887,491.90
  5. Step 5: Solve for x
    x = 911,887,491.90/40,115.72
  6. Step 6: Final answer
    x = 22,731.43

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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.