Home / 50,519.60-69,715.45-27,859.55

Finding the Fourth Proportional to 50,519.60, 69,715.45 and 27,859.55

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Solution

The fourth proportional to 50,519.60, 69,715.45 and 27,859.55 is: 38,445.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,519.60 : 69,715.45 = 27,859.55 : x
  2. Step 2: Convert to fraction form
    50,519.60/69,715.45 = 27,859.55/x
  3. Step 3: Cross multiply
    50,519.60x = 69,715.45 × 27,859.55
  4. Step 4: Simplify right side
    50,519.60x = 1,942,240,716.47
  5. Step 5: Solve for x
    x = 1,942,240,716.47/50,519.60
  6. Step 6: Final answer
    x = 38,445.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.