Home / 36,631.02-54,949.77-19,983.90

Finding the Fourth Proportional to 36,631.02, 54,949.77 and 19,983.90

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Solution

The fourth proportional to 36,631.02, 54,949.77 and 19,983.90 is: 29,977.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,631.02 : 54,949.77 = 19,983.90 : x
  2. Step 2: Convert to fraction form
    36,631.02/54,949.77 = 19,983.90/x
  3. Step 3: Cross multiply
    36,631.02x = 54,949.77 × 19,983.90
  4. Step 4: Simplify right side
    36,631.02x = 1,098,110,708.70
  5. Step 5: Solve for x
    x = 1,098,110,708.70/36,631.02
  6. Step 6: Final answer
    x = 29,977.62

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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.