Home / 31,731.38-43,785.69-17,580.62

Finding the Fourth Proportional to 31,731.38, 43,785.69 and 17,580.62

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Solution

The fourth proportional to 31,731.38, 43,785.69 and 17,580.62 is: 24,259.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,731.38 : 43,785.69 = 17,580.62 : x
  2. Step 2: Convert to fraction form
    31,731.38/43,785.69 = 17,580.62/x
  3. Step 3: Cross multiply
    31,731.38x = 43,785.69 × 17,580.62
  4. Step 4: Simplify right side
    31,731.38x = 769,779,577.33
  5. Step 5: Solve for x
    x = 769,779,577.33/31,731.38
  6. Step 6: Final answer
    x = 24,259.25

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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.