Home / 40,220.74-55,468.29-25,114.78

Finding the Fourth Proportional to 40,220.74, 55,468.29 and 25,114.78

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Solution

The fourth proportional to 40,220.74, 55,468.29 and 25,114.78 is: 34,635.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,220.74 : 55,468.29 = 25,114.78 : x
  2. Step 2: Convert to fraction form
    40,220.74/55,468.29 = 25,114.78/x
  3. Step 3: Cross multiply
    40,220.74x = 55,468.29 × 25,114.78
  4. Step 4: Simplify right side
    40,220.74x = 1,393,073,900.33
  5. Step 5: Solve for x
    x = 1,393,073,900.33/40,220.74
  6. Step 6: Final answer
    x = 34,635.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.