Home / 31,160.16-43,001.16-17,013.30

Finding the Fourth Proportional to 31,160.16, 43,001.16 and 17,013.30

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Solution

The fourth proportional to 31,160.16, 43,001.16 and 17,013.30 is: 23,478.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,160.16 : 43,001.16 = 17,013.30 : x
  2. Step 2: Convert to fraction form
    31,160.16/43,001.16 = 17,013.30/x
  3. Step 3: Cross multiply
    31,160.16x = 43,001.16 × 17,013.30
  4. Step 4: Simplify right side
    31,160.16x = 731,591,635.43
  5. Step 5: Solve for x
    x = 731,591,635.43/31,160.16
  6. Step 6: Final answer
    x = 23,478.43

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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.