Home / 37,310.38-51,472.12-21,391.18

Finding the Fourth Proportional to 37,310.38, 51,472.12 and 21,391.18

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Solution

The fourth proportional to 37,310.38, 51,472.12 and 21,391.18 is: 29,510.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,310.38 : 51,472.12 = 21,391.18 : x
  2. Step 2: Convert to fraction form
    37,310.38/51,472.12 = 21,391.18/x
  3. Step 3: Cross multiply
    37,310.38x = 51,472.12 × 21,391.18
  4. Step 4: Simplify right side
    37,310.38x = 1,101,049,383.90
  5. Step 5: Solve for x
    x = 1,101,049,383.90/37,310.38
  6. Step 6: Final answer
    x = 29,510.54

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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.