Home / 40,074.11-60,123.20-11,995.08

Finding the Fourth Proportional to 40,074.11, 60,123.20 and 11,995.08

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Solution

The fourth proportional to 40,074.11, 60,123.20 and 11,995.08 is: 17,996.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,074.11 : 60,123.20 = 11,995.08 : x
  2. Step 2: Convert to fraction form
    40,074.11/60,123.20 = 11,995.08/x
  3. Step 3: Cross multiply
    40,074.11x = 60,123.20 × 11,995.08
  4. Step 4: Simplify right side
    40,074.11x = 721,182,578.86
  5. Step 5: Solve for x
    x = 721,182,578.86/40,074.11
  6. Step 6: Final answer
    x = 17,996.22

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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.