Home / 42,620.70-63,949.49-22,876.21

Finding the Fourth Proportional to 42,620.70, 63,949.49 and 22,876.21

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Solution

The fourth proportional to 42,620.70, 63,949.49 and 22,876.21 is: 34,324.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,620.70 : 63,949.49 = 22,876.21 : x
  2. Step 2: Convert to fraction form
    42,620.70/63,949.49 = 22,876.21/x
  3. Step 3: Cross multiply
    42,620.70x = 63,949.49 × 22,876.21
  4. Step 4: Simplify right side
    42,620.70x = 1,462,921,962.63
  5. Step 5: Solve for x
    x = 1,462,921,962.63/42,620.70
  6. Step 6: Final answer
    x = 34,324.21

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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.