Home / 31,160.24-43,001.88-17,012.96

Finding the Fourth Proportional to 31,160.24, 43,001.88 and 17,012.96

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Solution

The fourth proportional to 31,160.24, 43,001.88 and 17,012.96 is: 23,478.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,160.24 : 43,001.88 = 17,012.96 : x
  2. Step 2: Convert to fraction form
    31,160.24/43,001.88 = 17,012.96/x
  3. Step 3: Cross multiply
    31,160.24x = 43,001.88 × 17,012.96
  4. Step 4: Simplify right side
    31,160.24x = 731,589,264.36
  5. Step 5: Solve for x
    x = 731,589,264.36/31,160.24
  6. Step 6: Final answer
    x = 23,478.29

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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.