Home / 40,174.30-55,422.79-28,245.43

Finding the Fourth Proportional to 40,174.30, 55,422.79 and 28,245.43

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Solution

The fourth proportional to 40,174.30, 55,422.79 and 28,245.43 is: 38,966.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,174.30 : 55,422.79 = 28,245.43 : x
  2. Step 2: Convert to fraction form
    40,174.30/55,422.79 = 28,245.43/x
  3. Step 3: Cross multiply
    40,174.30x = 55,422.79 × 28,245.43
  4. Step 4: Simplify right side
    40,174.30x = 1,565,440,535.35
  5. Step 5: Solve for x
    x = 1,565,440,535.35/40,174.30
  6. Step 6: Final answer
    x = 38,966.22

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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.