Home / 31,562.10-43,537.33-20,227.57

Finding the Fourth Proportional to 31,562.10, 43,537.33 and 20,227.57

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Solution

The fourth proportional to 31,562.10, 43,537.33 and 20,227.57 is: 27,902.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,562.10 : 43,537.33 = 20,227.57 : x
  2. Step 2: Convert to fraction form
    31,562.10/43,537.33 = 20,227.57/x
  3. Step 3: Cross multiply
    31,562.10x = 43,537.33 × 20,227.57
  4. Step 4: Simplify right side
    31,562.10x = 880,654,306.63
  5. Step 5: Solve for x
    x = 880,654,306.63/31,562.10
  6. Step 6: Final answer
    x = 27,902.27

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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.