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Finding the Fourth Proportional to 50,393.58, 69,546.02 and 28,886.91

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Solution

The fourth proportional to 50,393.58, 69,546.02 and 28,886.91 is: 39,865.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,393.58 : 69,546.02 = 28,886.91 : x
  2. Step 2: Convert to fraction form
    50,393.58/69,546.02 = 28,886.91/x
  3. Step 3: Cross multiply
    50,393.58x = 69,546.02 × 28,886.91
  4. Step 4: Simplify right side
    50,393.58x = 2,008,969,476.16
  5. Step 5: Solve for x
    x = 2,008,969,476.16/50,393.58
  6. Step 6: Final answer
    x = 39,865.58

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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.