Home / 38,451.85-57,677.78-10,371.85

Finding the Fourth Proportional to 38,451.85, 57,677.78 and 10,371.85

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Solution

The fourth proportional to 38,451.85, 57,677.78 and 10,371.85 is: 15,557.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,451.85 : 57,677.78 = 10,371.85 : x
  2. Step 2: Convert to fraction form
    38,451.85/57,677.78 = 10,371.85/x
  3. Step 3: Cross multiply
    38,451.85x = 57,677.78 × 10,371.85
  4. Step 4: Simplify right side
    38,451.85x = 598,225,230.63
  5. Step 5: Solve for x
    x = 598,225,230.63/38,451.85
  6. Step 6: Final answer
    x = 15,557.78

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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.