Home / 37,519.64-51,775.17-20,520.57

Finding the Fourth Proportional to 37,519.64, 51,775.17 and 20,520.57

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Solution

The fourth proportional to 37,519.64, 51,775.17 and 20,520.57 is: 28,317.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,519.64 : 51,775.17 = 20,520.57 : x
  2. Step 2: Convert to fraction form
    37,519.64/51,775.17 = 20,520.57/x
  3. Step 3: Cross multiply
    37,519.64x = 51,775.17 × 20,520.57
  4. Step 4: Simplify right side
    37,519.64x = 1,062,456,117.45
  5. Step 5: Solve for x
    x = 1,062,456,117.45/37,519.64
  6. Step 6: Final answer
    x = 28,317.33

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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.