Home / 38,219.60-57,329.40-22,629.20

Finding the Fourth Proportional to 38,219.60, 57,329.40 and 22,629.20

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Solution

The fourth proportional to 38,219.60, 57,329.40 and 22,629.20 is: 33,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,219.60 : 57,329.40 = 22,629.20 : x
  2. Step 2: Convert to fraction form
    38,219.60/57,329.40 = 22,629.20/x
  3. Step 3: Cross multiply
    38,219.60x = 57,329.40 × 22,629.20
  4. Step 4: Simplify right side
    38,219.60x = 1,297,318,458.48
  5. Step 5: Solve for x
    x = 1,297,318,458.48/38,219.60
  6. Step 6: Final answer
    x = 33,943.80

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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.