Home / 31,891.12-44,008.56-17,743.68

Finding the Fourth Proportional to 31,891.12, 44,008.56 and 17,743.68

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Solution

The fourth proportional to 31,891.12, 44,008.56 and 17,743.68 is: 24,485.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,891.12 : 44,008.56 = 17,743.68 : x
  2. Step 2: Convert to fraction form
    31,891.12/44,008.56 = 17,743.68/x
  3. Step 3: Cross multiply
    31,891.12x = 44,008.56 × 17,743.68
  4. Step 4: Simplify right side
    31,891.12x = 780,873,805.90
  5. Step 5: Solve for x
    x = 780,873,805.90/31,891.12
  6. Step 6: Final answer
    x = 24,485.62

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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.