Home / 31,885.27-43,995.67-17,738.13

Finding the Fourth Proportional to 31,885.27, 43,995.67 and 17,738.13

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Solution

The fourth proportional to 31,885.27, 43,995.67 and 17,738.13 is: 24,475.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,885.27 : 43,995.67 = 17,738.13 : x
  2. Step 2: Convert to fraction form
    31,885.27/43,995.67 = 17,738.13/x
  3. Step 3: Cross multiply
    31,885.27x = 43,995.67 × 17,738.13
  4. Step 4: Simplify right side
    31,885.27x = 780,400,913.90
  5. Step 5: Solve for x
    x = 780,400,913.90/31,885.27
  6. Step 6: Final answer
    x = 24,475.28

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Double scale
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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.