Home / 37,043.90-51,120.18-20,047.79

Finding the Fourth Proportional to 37,043.90, 51,120.18 and 20,047.79

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Solution

The fourth proportional to 37,043.90, 51,120.18 and 20,047.79 is: 27,665.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,043.90 : 51,120.18 = 20,047.79 : x
  2. Step 2: Convert to fraction form
    37,043.90/51,120.18 = 20,047.79/x
  3. Step 3: Cross multiply
    37,043.90x = 51,120.18 × 20,047.79
  4. Step 4: Simplify right side
    37,043.90x = 1,024,846,377.80
  5. Step 5: Solve for x
    x = 1,024,846,377.80/37,043.90
  6. Step 6: Final answer
    x = 27,665.73

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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.