Home / 31,354.31-43,269.02-17,207.12

Finding the Fourth Proportional to 31,354.31, 43,269.02 and 17,207.12

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Solution

The fourth proportional to 31,354.31, 43,269.02 and 17,207.12 is: 23,745.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,354.31 : 43,269.02 = 17,207.12 : x
  2. Step 2: Convert to fraction form
    31,354.31/43,269.02 = 17,207.12/x
  3. Step 3: Cross multiply
    31,354.31x = 43,269.02 × 17,207.12
  4. Step 4: Simplify right side
    31,354.31x = 744,535,306.09
  5. Step 5: Solve for x
    x = 744,535,306.09/31,354.31
  6. Step 6: Final answer
    x = 23,745.87

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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.