Home / 31,808.59-43,899.33-18,197.88

Finding the Fourth Proportional to 31,808.59, 43,899.33 and 18,197.88

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Solution

The fourth proportional to 31,808.59, 43,899.33 and 18,197.88 is: 25,115.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,808.59 : 43,899.33 = 18,197.88 : x
  2. Step 2: Convert to fraction form
    31,808.59/43,899.33 = 18,197.88/x
  3. Step 3: Cross multiply
    31,808.59x = 43,899.33 × 18,197.88
  4. Step 4: Simplify right side
    31,808.59x = 798,874,739.42
  5. Step 5: Solve for x
    x = 798,874,739.42/31,808.59
  6. Step 6: Final answer
    x = 25,115.06

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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.