Home / 38,376.78-57,565.20-10,674.78

Finding the Fourth Proportional to 38,376.78, 57,565.20 and 10,674.78

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Solution

The fourth proportional to 38,376.78, 57,565.20 and 10,674.78 is: 16,012.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,376.78 : 57,565.20 = 10,674.78 : x
  2. Step 2: Convert to fraction form
    38,376.78/57,565.20 = 10,674.78/x
  3. Step 3: Cross multiply
    38,376.78x = 57,565.20 × 10,674.78
  4. Step 4: Simplify right side
    38,376.78x = 614,495,845.66
  5. Step 5: Solve for x
    x = 614,495,845.66/38,376.78
  6. Step 6: Final answer
    x = 16,012.18

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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.