Home / 40,679.82-60,851.25-38,191.50

Finding the Fourth Proportional to 40,679.82, 60,851.25 and 38,191.50

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Solution

The fourth proportional to 40,679.82, 60,851.25 and 38,191.50 is: 57,129.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,679.82 : 60,851.25 = 38,191.50 : x
  2. Step 2: Convert to fraction form
    40,679.82/60,851.25 = 38,191.50/x
  3. Step 3: Cross multiply
    40,679.82x = 60,851.25 × 38,191.50
  4. Step 4: Simplify right side
    40,679.82x = 2,324,000,514.38
  5. Step 5: Solve for x
    x = 2,324,000,514.38/40,679.82
  6. Step 6: Final answer
    x = 57,129.08

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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.