Home / 51,687.57-77,530.40-29,453.55

Finding the Fourth Proportional to 51,687.57, 77,530.40 and 29,453.55

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Solution

The fourth proportional to 51,687.57, 77,530.40 and 29,453.55 is: 44,179.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,687.57 : 77,530.40 = 29,453.55 : x
  2. Step 2: Convert to fraction form
    51,687.57/77,530.40 = 29,453.55/x
  3. Step 3: Cross multiply
    51,687.57x = 77,530.40 × 29,453.55
  4. Step 4: Simplify right side
    51,687.57x = 2,283,545,512.92
  5. Step 5: Solve for x
    x = 2,283,545,512.92/51,687.57
  6. Step 6: Final answer
    x = 44,179.78

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1.5x scale

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.