Home / 31,732.82-43,790.85-18,304.10

Finding the Fourth Proportional to 31,732.82, 43,790.85 and 18,304.10

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Solution

The fourth proportional to 31,732.82, 43,790.85 and 18,304.10 is: 25,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,732.82 : 43,790.85 = 18,304.10 : x
  2. Step 2: Convert to fraction form
    31,732.82/43,790.85 = 18,304.10/x
  3. Step 3: Cross multiply
    31,732.82x = 43,790.85 × 18,304.10
  4. Step 4: Simplify right side
    31,732.82x = 801,552,097.49
  5. Step 5: Solve for x
    x = 801,552,097.49/31,732.82
  6. Step 6: Final answer
    x = 25,259.40

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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.