Home / 37,517.85-51,772.52-20,518.71

Finding the Fourth Proportional to 37,517.85, 51,772.52 and 20,518.71

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Solution

The fourth proportional to 37,517.85, 51,772.52 and 20,518.71 is: 28,314.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,517.85 : 51,772.52 = 20,518.71 : x
  2. Step 2: Convert to fraction form
    37,517.85/51,772.52 = 20,518.71/x
  3. Step 3: Cross multiply
    37,517.85x = 51,772.52 × 20,518.71
  4. Step 4: Simplify right side
    37,517.85x = 1,062,305,221.26
  5. Step 5: Solve for x
    x = 1,062,305,221.26/37,517.85
  6. Step 6: Final answer
    x = 28,314.66

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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.