Home / 42,311.87-63,451.39-22,579.66

Finding the Fourth Proportional to 42,311.87, 63,451.39 and 22,579.66

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Solution

The fourth proportional to 42,311.87, 63,451.39 and 22,579.66 is: 33,860.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,311.87 : 63,451.39 = 22,579.66 : x
  2. Step 2: Convert to fraction form
    42,311.87/63,451.39 = 22,579.66/x
  3. Step 3: Cross multiply
    42,311.87x = 63,451.39 × 22,579.66
  4. Step 4: Simplify right side
    42,311.87x = 1,432,710,812.73
  5. Step 5: Solve for x
    x = 1,432,710,812.73/42,311.87
  6. Step 6: Final answer
    x = 33,860.73

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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.