Home / 31,411.07-43,348.19-17,264.83

Finding the Fourth Proportional to 31,411.07, 43,348.19 and 17,264.83

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Solution

The fourth proportional to 31,411.07, 43,348.19 and 17,264.83 is: 23,825.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,411.07 : 43,348.19 = 17,264.83 : x
  2. Step 2: Convert to fraction form
    31,411.07/43,348.19 = 17,264.83/x
  3. Step 3: Cross multiply
    31,411.07x = 43,348.19 × 17,264.83
  4. Step 4: Simplify right side
    31,411.07x = 748,399,131.16
  5. Step 5: Solve for x
    x = 748,399,131.16/31,411.07
  6. Step 6: Final answer
    x = 23,825.97

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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.