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Finding the Fourth Proportional to 51,677.88, 71,304.84 and 33,799.20

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Solution

The fourth proportional to 51,677.88, 71,304.84 and 33,799.20 is: 46,635.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,677.88 : 71,304.84 = 33,799.20 : x
  2. Step 2: Convert to fraction form
    51,677.88/71,304.84 = 33,799.20/x
  3. Step 3: Cross multiply
    51,677.88x = 71,304.84 × 33,799.20
  4. Step 4: Simplify right side
    51,677.88x = 2,410,046,548.13
  5. Step 5: Solve for x
    x = 2,410,046,548.13/51,677.88
  6. Step 6: Final answer
    x = 46,635.94

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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.