Home / 31,562.23-43,537.50-20,227.69

Finding the Fourth Proportional to 31,562.23, 43,537.50 and 20,227.69

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Solution

The fourth proportional to 31,562.23, 43,537.50 and 20,227.69 is: 27,902.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,562.23 : 43,537.50 = 20,227.69 : x
  2. Step 2: Convert to fraction form
    31,562.23/43,537.50 = 20,227.69/x
  3. Step 3: Cross multiply
    31,562.23x = 43,537.50 × 20,227.69
  4. Step 4: Simplify right side
    31,562.23x = 880,663,053.38
  5. Step 5: Solve for x
    x = 880,663,053.38/31,562.23
  6. Step 6: Final answer
    x = 27,902.43

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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.