Home / 37,517.01-51,771.31-20,517.85

Finding the Fourth Proportional to 37,517.01, 51,771.31 and 20,517.85

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Solution

The fourth proportional to 37,517.01, 51,771.31 and 20,517.85 is: 28,313.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,517.01 : 51,771.31 = 20,517.85 : x
  2. Step 2: Convert to fraction form
    37,517.01/51,771.31 = 20,517.85/x
  3. Step 3: Cross multiply
    37,517.01x = 51,771.31 × 20,517.85
  4. Step 4: Simplify right side
    37,517.01x = 1,062,235,972.88
  5. Step 5: Solve for x
    x = 1,062,235,972.88/37,517.01
  6. Step 6: Final answer
    x = 28,313.45

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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.