Home / 40,425.52-60,635.76-18,229.84

Finding the Fourth Proportional to 40,425.52, 60,635.76 and 18,229.84

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Solution

The fourth proportional to 40,425.52, 60,635.76 and 18,229.84 is: 27,343.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,425.52 : 60,635.76 = 18,229.84 : x
  2. Step 2: Convert to fraction form
    40,425.52/60,635.76 = 18,229.84/x
  3. Step 3: Cross multiply
    40,425.52x = 60,635.76 × 18,229.84
  4. Step 4: Simplify right side
    40,425.52x = 1,105,380,203.08
  5. Step 5: Solve for x
    x = 1,105,380,203.08/40,425.52
  6. Step 6: Final answer
    x = 27,343.62

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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.