Home / 37,170.92-51,294.12-20,174.78

Finding the Fourth Proportional to 37,170.92, 51,294.12 and 20,174.78

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Solution

The fourth proportional to 37,170.92, 51,294.12 and 20,174.78 is: 27,840.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,170.92 : 51,294.12 = 20,174.78 : x
  2. Step 2: Convert to fraction form
    37,170.92/51,294.12 = 20,174.78/x
  3. Step 3: Cross multiply
    37,170.92x = 51,294.12 × 20,174.78
  4. Step 4: Simplify right side
    37,170.92x = 1,034,847,586.29
  5. Step 5: Solve for x
    x = 1,034,847,586.29/37,170.92
  6. Step 6: Final answer
    x = 27,840.25

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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.