Home / 31,371.02-43,286.36-17,758.97

Finding the Fourth Proportional to 31,371.02, 43,286.36 and 17,758.97

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Solution

The fourth proportional to 31,371.02, 43,286.36 and 17,758.97 is: 24,504.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,371.02 : 43,286.36 = 17,758.97 : x
  2. Step 2: Convert to fraction form
    31,371.02/43,286.36 = 17,758.97/x
  3. Step 3: Cross multiply
    31,371.02x = 43,286.36 × 17,758.97
  4. Step 4: Simplify right side
    31,371.02x = 768,721,168.65
  5. Step 5: Solve for x
    x = 768,721,168.65/31,371.02
  6. Step 6: Final answer
    x = 24,504.18

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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.