Home / 38,226.80-57,340.20-19,564.40

Finding the Fourth Proportional to 38,226.80, 57,340.20 and 19,564.40

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Solution

The fourth proportional to 38,226.80, 57,340.20 and 19,564.40 is: 29,346.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,226.80 : 57,340.20 = 19,564.40 : x
  2. Step 2: Convert to fraction form
    38,226.80/57,340.20 = 19,564.40/x
  3. Step 3: Cross multiply
    38,226.80x = 57,340.20 × 19,564.40
  4. Step 4: Simplify right side
    38,226.80x = 1,121,826,608.88
  5. Step 5: Solve for x
    x = 1,121,826,608.88/38,226.80
  6. Step 6: Final answer
    x = 29,346.60

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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.