Home / 31,669.59-43,691.33-18,233.64

Finding the Fourth Proportional to 31,669.59, 43,691.33 and 18,233.64

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Solution

The fourth proportional to 31,669.59, 43,691.33 and 18,233.64 is: 25,155.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,669.59 : 43,691.33 = 18,233.64 : x
  2. Step 2: Convert to fraction form
    31,669.59/43,691.33 = 18,233.64/x
  3. Step 3: Cross multiply
    31,669.59x = 43,691.33 × 18,233.64
  4. Step 4: Simplify right side
    31,669.59x = 796,651,982.34
  5. Step 5: Solve for x
    x = 796,651,982.34/31,669.59
  6. Step 6: Final answer
    x = 25,155.11

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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.