Home / 31,507.18-43,479.51-17,167.62

Finding the Fourth Proportional to 31,507.18, 43,479.51 and 17,167.62

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Solution

The fourth proportional to 31,507.18, 43,479.51 and 17,167.62 is: 23,691.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,507.18 : 43,479.51 = 17,167.62 : x
  2. Step 2: Convert to fraction form
    31,507.18/43,479.51 = 17,167.62/x
  3. Step 3: Cross multiply
    31,507.18x = 43,479.51 × 17,167.62
  4. Step 4: Simplify right side
    31,507.18x = 746,439,705.47
  5. Step 5: Solve for x
    x = 746,439,705.47/31,507.18
  6. Step 6: Final answer
    x = 23,691.10

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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.