Home / 31,342.36-43,253.16-17,195.16

Finding the Fourth Proportional to 31,342.36, 43,253.16 and 17,195.16

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Solution

The fourth proportional to 31,342.36, 43,253.16 and 17,195.16 is: 23,729.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,342.36 : 43,253.16 = 17,195.16 : x
  2. Step 2: Convert to fraction form
    31,342.36/43,253.16 = 17,195.16/x
  3. Step 3: Cross multiply
    31,342.36x = 43,253.16 × 17,195.16
  4. Step 4: Simplify right side
    31,342.36x = 743,745,006.71
  5. Step 5: Solve for x
    x = 743,745,006.71/31,342.36
  6. Step 6: Final answer
    x = 23,729.71

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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.