Home / 45,963.96-68,882.15-20,942.85

Finding the Fourth Proportional to 45,963.96, 68,882.15 and 20,942.85

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Solution

The fourth proportional to 45,963.96, 68,882.15 and 20,942.85 is: 31,385.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,963.96 : 68,882.15 = 20,942.85 : x
  2. Step 2: Convert to fraction form
    45,963.96/68,882.15 = 20,942.85/x
  3. Step 3: Cross multiply
    45,963.96x = 68,882.15 × 20,942.85
  4. Step 4: Simplify right side
    45,963.96x = 1,442,588,602.62
  5. Step 5: Solve for x
    x = 1,442,588,602.62/45,963.96
  6. Step 6: Final answer
    x = 31,385.21

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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.