Home / 55,162.24-76,131.68-31,294.88

Finding the Fourth Proportional to 55,162.24, 76,131.68 and 31,294.88

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Solution

The fourth proportional to 55,162.24, 76,131.68 and 31,294.88 is: 43,191.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,162.24 : 76,131.68 = 31,294.88 : x
  2. Step 2: Convert to fraction form
    55,162.24/76,131.68 = 31,294.88/x
  3. Step 3: Cross multiply
    55,162.24x = 76,131.68 × 31,294.88
  4. Step 4: Simplify right side
    55,162.24x = 2,382,531,789.80
  5. Step 5: Solve for x
    x = 2,382,531,789.80/55,162.24
  6. Step 6: Final answer
    x = 43,191.35

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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.