Home / 31,260.17-43,139.11-17,113.93

Finding the Fourth Proportional to 31,260.17, 43,139.11 and 17,113.93

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Solution

The fourth proportional to 31,260.17, 43,139.11 and 17,113.93 is: 23,617.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,260.17 : 43,139.11 = 17,113.93 : x
  2. Step 2: Convert to fraction form
    31,260.17/43,139.11 = 17,113.93/x
  3. Step 3: Cross multiply
    31,260.17x = 43,139.11 × 17,113.93
  4. Step 4: Simplify right side
    31,260.17x = 738,279,708.80
  5. Step 5: Solve for x
    x = 738,279,708.80/31,260.17
  6. Step 6: Final answer
    x = 23,617.26

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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.