Home / 31,253.96-43,130.76-17,107.09

Finding the Fourth Proportional to 31,253.96, 43,130.76 and 17,107.09

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Solution

The fourth proportional to 31,253.96, 43,130.76 and 17,107.09 is: 23,607.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,253.96 : 43,130.76 = 17,107.09 : x
  2. Step 2: Convert to fraction form
    31,253.96/43,130.76 = 17,107.09/x
  3. Step 3: Cross multiply
    31,253.96x = 43,130.76 × 17,107.09
  4. Step 4: Simplify right side
    31,253.96x = 737,841,793.09
  5. Step 5: Solve for x
    x = 737,841,793.09/31,253.96
  6. Step 6: Final answer
    x = 23,607.95

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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.