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Finding the Fourth Proportional to 50,346.32, 69,476.78 and 27,375.64

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Solution

The fourth proportional to 50,346.32, 69,476.78 and 27,375.64 is: 37,777.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,346.32 : 69,476.78 = 27,375.64 : x
  2. Step 2: Convert to fraction form
    50,346.32/69,476.78 = 27,375.64/x
  3. Step 3: Cross multiply
    50,346.32x = 69,476.78 × 27,375.64
  4. Step 4: Simplify right side
    50,346.32x = 1,901,971,472.92
  5. Step 5: Solve for x
    x = 1,901,971,472.92/50,346.32
  6. Step 6: Final answer
    x = 37,777.77

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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.