Home / 38,376.54-57,565.20-12,081.48

Finding the Fourth Proportional to 38,376.54, 57,565.20 and 12,081.48

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Solution

The fourth proportional to 38,376.54, 57,565.20 and 12,081.48 is: 18,122.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,376.54 : 57,565.20 = 12,081.48 : x
  2. Step 2: Convert to fraction form
    38,376.54/57,565.20 = 12,081.48/x
  3. Step 3: Cross multiply
    38,376.54x = 57,565.20 × 12,081.48
  4. Step 4: Simplify right side
    38,376.54x = 695,472,812.50
  5. Step 5: Solve for x
    x = 695,472,812.50/38,376.54
  6. Step 6: Final answer
    x = 18,122.34

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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.