Home / 41,787.05-57,679.29-28,194.85

Finding the Fourth Proportional to 41,787.05, 57,679.29 and 28,194.85

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Solution

The fourth proportional to 41,787.05, 57,679.29 and 28,194.85 is: 38,917.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,787.05 : 57,679.29 = 28,194.85 : x
  2. Step 2: Convert to fraction form
    41,787.05/57,679.29 = 28,194.85/x
  3. Step 3: Cross multiply
    41,787.05x = 57,679.29 × 28,194.85
  4. Step 4: Simplify right side
    41,787.05x = 1,626,258,929.66
  5. Step 5: Solve for x
    x = 1,626,258,929.66/41,787.05
  6. Step 6: Final answer
    x = 38,917.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.