Home / 37,517.65-51,775.67-20,520.88

Finding the Fourth Proportional to 37,517.65, 51,775.67 and 20,520.88

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Solution

The fourth proportional to 37,517.65, 51,775.67 and 20,520.88 is: 28,319.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,517.65 : 51,775.67 = 20,520.88 : x
  2. Step 2: Convert to fraction form
    37,517.65/51,775.67 = 20,520.88/x
  3. Step 3: Cross multiply
    37,517.65x = 51,775.67 × 20,520.88
  4. Step 4: Simplify right side
    37,517.65x = 1,062,482,232.85
  5. Step 5: Solve for x
    x = 1,062,482,232.85/37,517.65
  6. Step 6: Final answer
    x = 28,319.53

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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.