Home / 37,517.60-51,766.80-20,747.36

Finding the Fourth Proportional to 37,517.60, 51,766.80 and 20,747.36

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Solution

The fourth proportional to 37,517.60, 51,766.80 and 20,747.36 is: 28,627.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,517.60 : 51,766.80 = 20,747.36 : x
  2. Step 2: Convert to fraction form
    37,517.60/51,766.80 = 20,747.36/x
  3. Step 3: Cross multiply
    37,517.60x = 51,766.80 × 20,747.36
  4. Step 4: Simplify right side
    37,517.60x = 1,074,024,435.65
  5. Step 5: Solve for x
    x = 1,074,024,435.65/37,517.60
  6. Step 6: Final answer
    x = 28,627.22

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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.