Home / 49,773.17-74,622.69-21,687.90

Finding the Fourth Proportional to 49,773.17, 74,622.69 and 21,687.90

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Solution

The fourth proportional to 49,773.17, 74,622.69 and 21,687.90 is: 32,515.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,773.17 : 74,622.69 = 21,687.90 : x
  2. Step 2: Convert to fraction form
    49,773.17/74,622.69 = 21,687.90/x
  3. Step 3: Cross multiply
    49,773.17x = 74,622.69 × 21,687.90
  4. Step 4: Simplify right side
    49,773.17x = 1,618,409,438.45
  5. Step 5: Solve for x
    x = 1,618,409,438.45/49,773.17
  6. Step 6: Final answer
    x = 32,515.70

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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.