Home / 31,353.68-43,268.42-17,207.08

Finding the Fourth Proportional to 31,353.68, 43,268.42 and 17,207.08

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Solution

The fourth proportional to 31,353.68, 43,268.42 and 17,207.08 is: 23,745.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,353.68 : 43,268.42 = 17,207.08 : x
  2. Step 2: Convert to fraction form
    31,353.68/43,268.42 = 17,207.08/x
  3. Step 3: Cross multiply
    31,353.68x = 43,268.42 × 17,207.08
  4. Step 4: Simplify right side
    31,353.68x = 744,523,164.41
  5. Step 5: Solve for x
    x = 744,523,164.41/31,353.68
  6. Step 6: Final answer
    x = 23,745.96

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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.