Home / 37,284.78-51,452.97-20,517.78

Finding the Fourth Proportional to 37,284.78, 51,452.97 and 20,517.78

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Solution

The fourth proportional to 37,284.78, 51,452.97 and 20,517.78 is: 28,314.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,284.78 : 51,452.97 = 20,517.78 : x
  2. Step 2: Convert to fraction form
    37,284.78/51,452.97 = 20,517.78/x
  3. Step 3: Cross multiply
    37,284.78x = 51,452.97 × 20,517.78
  4. Step 4: Simplify right side
    37,284.78x = 1,055,700,718.81
  5. Step 5: Solve for x
    x = 1,055,700,718.81/37,284.78
  6. Step 6: Final answer
    x = 28,314.52

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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.