Home / 37,228.38-51,431.67-27,780.54

Finding the Fourth Proportional to 37,228.38, 51,431.67 and 27,780.54

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Solution

The fourth proportional to 37,228.38, 51,431.67 and 27,780.54 is: 38,379.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,228.38 : 51,431.67 = 27,780.54 : x
  2. Step 2: Convert to fraction form
    37,228.38/51,431.67 = 27,780.54/x
  3. Step 3: Cross multiply
    37,228.38x = 51,431.67 × 27,780.54
  4. Step 4: Simplify right side
    37,228.38x = 1,428,799,565.70
  5. Step 5: Solve for x
    x = 1,428,799,565.70/37,228.38
  6. Step 6: Final answer
    x = 38,379.31

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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.