Home / 31,167.72-43,011.18-17,020.56

Finding the Fourth Proportional to 31,167.72, 43,011.18 and 17,020.56

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Solution

The fourth proportional to 31,167.72, 43,011.18 and 17,020.56 is: 23,488.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,167.72 : 43,011.18 = 17,020.56 : x
  2. Step 2: Convert to fraction form
    31,167.72/43,011.18 = 17,020.56/x
  3. Step 3: Cross multiply
    31,167.72x = 43,011.18 × 17,020.56
  4. Step 4: Simplify right side
    31,167.72x = 732,074,369.86
  5. Step 5: Solve for x
    x = 732,074,369.86/31,167.72
  6. Step 6: Final answer
    x = 23,488.22

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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.