Home / 37,112.45-51,218.40-20,348.69

Finding the Fourth Proportional to 37,112.45, 51,218.40 and 20,348.69

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Solution

The fourth proportional to 37,112.45, 51,218.40 and 20,348.69 is: 28,082.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,112.45 : 51,218.40 = 20,348.69 : x
  2. Step 2: Convert to fraction form
    37,112.45/51,218.40 = 20,348.69/x
  3. Step 3: Cross multiply
    37,112.45x = 51,218.40 × 20,348.69
  4. Step 4: Simplify right side
    37,112.45x = 1,042,227,087.80
  5. Step 5: Solve for x
    x = 1,042,227,087.80/37,112.45
  6. Step 6: Final answer
    x = 28,082.95

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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.