Home / 54,519.20-81,778.80-23,357.60

Finding the Fourth Proportional to 54,519.20, 81,778.80 and 23,357.60

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Solution

The fourth proportional to 54,519.20, 81,778.80 and 23,357.60 is: 35,036.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,519.20 : 81,778.80 = 23,357.60 : x
  2. Step 2: Convert to fraction form
    54,519.20/81,778.80 = 23,357.60/x
  3. Step 3: Cross multiply
    54,519.20x = 81,778.80 × 23,357.60
  4. Step 4: Simplify right side
    54,519.20x = 1,910,156,498.88
  5. Step 5: Solve for x
    x = 1,910,156,498.88/54,519.20
  6. Step 6: Final answer
    x = 35,036.40

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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.