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Finding the Fourth Proportional to 50,499.80, 69,690.60 and 27,838.65

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Solution

The fourth proportional to 50,499.80, 69,690.60 and 27,838.65 is: 38,417.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,499.80 : 69,690.60 = 27,838.65 : x
  2. Step 2: Convert to fraction form
    50,499.80/69,690.60 = 27,838.65/x
  3. Step 3: Cross multiply
    50,499.80x = 69,690.60 × 27,838.65
  4. Step 4: Simplify right side
    50,499.80x = 1,940,092,221.69
  5. Step 5: Solve for x
    x = 1,940,092,221.69/50,499.80
  6. Step 6: Final answer
    x = 38,417.82

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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.