Home / 31,372.43-43,293.76-17,943.91

Finding the Fourth Proportional to 31,372.43, 43,293.76 and 17,943.91

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Solution

The fourth proportional to 31,372.43, 43,293.76 and 17,943.91 is: 24,762.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,372.43 : 43,293.76 = 17,943.91 : x
  2. Step 2: Convert to fraction form
    31,372.43/43,293.76 = 17,943.91/x
  3. Step 3: Cross multiply
    31,372.43x = 43,293.76 × 17,943.91
  4. Step 4: Simplify right side
    31,372.43x = 776,859,204.59
  5. Step 5: Solve for x
    x = 776,859,204.59/31,372.43
  6. Step 6: Final answer
    x = 24,762.48

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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.