Home / 38,320.80-57,481.20-23,287.20

Finding the Fourth Proportional to 38,320.80, 57,481.20 and 23,287.20

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Solution

The fourth proportional to 38,320.80, 57,481.20 and 23,287.20 is: 34,930.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,320.80 : 57,481.20 = 23,287.20 : x
  2. Step 2: Convert to fraction form
    38,320.80/57,481.20 = 23,287.20/x
  3. Step 3: Cross multiply
    38,320.80x = 57,481.20 × 23,287.20
  4. Step 4: Simplify right side
    38,320.80x = 1,338,576,200.64
  5. Step 5: Solve for x
    x = 1,338,576,200.64/38,320.80
  6. Step 6: Final answer
    x = 34,930.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.