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Finding the Fourth Proportional to 55,706.59, 76,884.92 and 33,058.07

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Solution

The fourth proportional to 55,706.59, 76,884.92 and 33,058.07 is: 45,625.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,706.59 : 76,884.92 = 33,058.07 : x
  2. Step 2: Convert to fraction form
    55,706.59/76,884.92 = 33,058.07/x
  3. Step 3: Cross multiply
    55,706.59x = 76,884.92 × 33,058.07
  4. Step 4: Simplify right side
    55,706.59x = 2,541,667,067.30
  5. Step 5: Solve for x
    x = 2,541,667,067.30/55,706.59
  6. Step 6: Final answer
    x = 45,625.97

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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.