Home / 48,916.90-73,356.72-20,819.22

Finding the Fourth Proportional to 48,916.90, 73,356.72 and 20,819.22

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Solution

The fourth proportional to 48,916.90, 73,356.72 and 20,819.22 is: 31,220.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,916.90 : 73,356.72 = 20,819.22 : x
  2. Step 2: Convert to fraction form
    48,916.90/73,356.72 = 20,819.22/x
  3. Step 3: Cross multiply
    48,916.90x = 73,356.72 × 20,819.22
  4. Step 4: Simplify right side
    48,916.90x = 1,527,229,692.16
  5. Step 5: Solve for x
    x = 1,527,229,692.16/48,916.90
  6. Step 6: Final answer
    x = 31,220.90

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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.