Home / 40,239.28-60,375.98-20,238.19

Finding the Fourth Proportional to 40,239.28, 60,375.98 and 20,238.19

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Solution

The fourth proportional to 40,239.28, 60,375.98 and 20,238.19 is: 30,365.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,239.28 : 60,375.98 = 20,238.19 : x
  2. Step 2: Convert to fraction form
    40,239.28/60,375.98 = 20,238.19/x
  3. Step 3: Cross multiply
    40,239.28x = 60,375.98 × 20,238.19
  4. Step 4: Simplify right side
    40,239.28x = 1,221,900,454.33
  5. Step 5: Solve for x
    x = 1,221,900,454.33/40,239.28
  6. Step 6: Final answer
    x = 30,365.86

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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.