Home / 31,265.10-43,145.82-17,117.91

Finding the Fourth Proportional to 31,265.10, 43,145.82 and 17,117.91

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Solution

The fourth proportional to 31,265.10, 43,145.82 and 17,117.91 is: 23,622.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,265.10 : 43,145.82 = 17,117.91 : x
  2. Step 2: Convert to fraction form
    31,265.10/43,145.82 = 17,117.91/x
  3. Step 3: Cross multiply
    31,265.10x = 43,145.82 × 17,117.91
  4. Step 4: Simplify right side
    31,265.10x = 738,566,263.64
  5. Step 5: Solve for x
    x = 738,566,263.64/31,265.10
  6. Step 6: Final answer
    x = 23,622.71

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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.