Home / 31,234.31-43,098.23-17,805.81

Finding the Fourth Proportional to 31,234.31, 43,098.23 and 17,805.81

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Solution

The fourth proportional to 31,234.31, 43,098.23 and 17,805.81 is: 24,569.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,234.31 : 43,098.23 = 17,805.81 : x
  2. Step 2: Convert to fraction form
    31,234.31/43,098.23 = 17,805.81/x
  3. Step 3: Cross multiply
    31,234.31x = 43,098.23 × 17,805.81
  4. Step 4: Simplify right side
    31,234.31x = 767,398,805.69
  5. Step 5: Solve for x
    x = 767,398,805.69/31,234.31
  6. Step 6: Final answer
    x = 24,569.10

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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.