Home / 38,479.50-57,724.20-10,777.50

Finding the Fourth Proportional to 38,479.50, 57,724.20 and 10,777.50

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Solution

The fourth proportional to 38,479.50, 57,724.20 and 10,777.50 is: 16,167.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,479.50 : 57,724.20 = 10,777.50 : x
  2. Step 2: Convert to fraction form
    38,479.50/57,724.20 = 10,777.50/x
  3. Step 3: Cross multiply
    38,479.50x = 57,724.20 × 10,777.50
  4. Step 4: Simplify right side
    38,479.50x = 622,122,565.50
  5. Step 5: Solve for x
    x = 622,122,565.50/38,479.50
  6. Step 6: Final answer
    x = 16,167.64

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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.