Home / 31,372.55-43,294.19-17,226.30

Finding the Fourth Proportional to 31,372.55, 43,294.19 and 17,226.30

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Solution

The fourth proportional to 31,372.55, 43,294.19 and 17,226.30 is: 23,772.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,372.55 : 43,294.19 = 17,226.30 : x
  2. Step 2: Convert to fraction form
    31,372.55/43,294.19 = 17,226.30/x
  3. Step 3: Cross multiply
    31,372.55x = 43,294.19 × 17,226.30
  4. Step 4: Simplify right side
    31,372.55x = 745,798,705.20
  5. Step 5: Solve for x
    x = 745,798,705.20/31,372.55
  6. Step 6: Final answer
    x = 23,772.33

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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.