Home / 40,385.03-60,708.76-40,188.20

Finding the Fourth Proportional to 40,385.03, 60,708.76 and 40,188.20

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Solution

The fourth proportional to 40,385.03, 60,708.76 and 40,188.20 is: 60,412.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,385.03 : 60,708.76 = 40,188.20 : x
  2. Step 2: Convert to fraction form
    40,385.03/60,708.76 = 40,188.20/x
  3. Step 3: Cross multiply
    40,385.03x = 60,708.76 × 40,188.20
  4. Step 4: Simplify right side
    40,385.03x = 2,439,775,384.62
  5. Step 5: Solve for x
    x = 2,439,775,384.62/40,385.03
  6. Step 6: Final answer
    x = 60,412.87

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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.