Home / 31,315.06-43,214.52-17,167.87

Finding the Fourth Proportional to 31,315.06, 43,214.52 and 17,167.87

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Solution

The fourth proportional to 31,315.06, 43,214.52 and 17,167.87 is: 23,691.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,315.06 : 43,214.52 = 17,167.87 : x
  2. Step 2: Convert to fraction form
    31,315.06/43,214.52 = 17,167.87/x
  3. Step 3: Cross multiply
    31,315.06x = 43,214.52 × 17,167.87
  4. Step 4: Simplify right side
    31,315.06x = 741,901,261.47
  5. Step 5: Solve for x
    x = 741,901,261.47/31,315.06
  6. Step 6: Final answer
    x = 23,691.52

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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.