Home / 31,160.70-43,001.82-17,013.24

Finding the Fourth Proportional to 31,160.70, 43,001.82 and 17,013.24

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Solution

The fourth proportional to 31,160.70, 43,001.82 and 17,013.24 is: 23,478.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,160.70 : 43,001.82 = 17,013.24 : x
  2. Step 2: Convert to fraction form
    31,160.70/43,001.82 = 17,013.24/x
  3. Step 3: Cross multiply
    31,160.70x = 43,001.82 × 17,013.24
  4. Step 4: Simplify right side
    31,160.70x = 731,600,284.10
  5. Step 5: Solve for x
    x = 731,600,284.10/31,160.70
  6. Step 6: Final answer
    x = 23,478.30

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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.