Home / 40,177.30-55,433.45-31,652.97

Finding the Fourth Proportional to 40,177.30, 55,433.45 and 31,652.97

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Solution

The fourth proportional to 40,177.30, 55,433.45 and 31,652.97 is: 43,672.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,177.30 : 55,433.45 = 31,652.97 : x
  2. Step 2: Convert to fraction form
    40,177.30/55,433.45 = 31,652.97/x
  3. Step 3: Cross multiply
    40,177.30x = 55,433.45 × 31,652.97
  4. Step 4: Simplify right side
    40,177.30x = 1,754,633,052.68
  5. Step 5: Solve for x
    x = 1,754,633,052.68/40,177.30
  6. Step 6: Final answer
    x = 43,672.25

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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.