Home / 37,287.18-51,456.99-20,519.82

Finding the Fourth Proportional to 37,287.18, 51,456.99 and 20,519.82

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Solution

The fourth proportional to 37,287.18, 51,456.99 and 20,519.82 is: 28,317.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,287.18 : 51,456.99 = 20,519.82 : x
  2. Step 2: Convert to fraction form
    37,287.18/51,456.99 = 20,519.82/x
  3. Step 3: Cross multiply
    37,287.18x = 51,456.99 × 20,519.82
  4. Step 4: Simplify right side
    37,287.18x = 1,055,888,172.54
  5. Step 5: Solve for x
    x = 1,055,888,172.54/37,287.18
  6. Step 6: Final answer
    x = 28,317.73

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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.