Home / 31,397.64-43,328.75-17,251.38

Finding the Fourth Proportional to 31,397.64, 43,328.75 and 17,251.38

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Solution

The fourth proportional to 31,397.64, 43,328.75 and 17,251.38 is: 23,806.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,397.64 : 43,328.75 = 17,251.38 : x
  2. Step 2: Convert to fraction form
    31,397.64/43,328.75 = 17,251.38/x
  3. Step 3: Cross multiply
    31,397.64x = 43,328.75 × 17,251.38
  4. Step 4: Simplify right side
    31,397.64x = 747,480,644.92
  5. Step 5: Solve for x
    x = 747,480,644.92/31,397.64
  6. Step 6: Final answer
    x = 23,806.91

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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.