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Finding the Fourth Proportional to 56,554.80, 84,832.20 and 33,207.60

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Solution

The fourth proportional to 56,554.80, 84,832.20 and 33,207.60 is: 49,811.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,554.80 : 84,832.20 = 33,207.60 : x
  2. Step 2: Convert to fraction form
    56,554.80/84,832.20 = 33,207.60/x
  3. Step 3: Cross multiply
    56,554.80x = 84,832.20 × 33,207.60
  4. Step 4: Simplify right side
    56,554.80x = 2,817,073,764.72
  5. Step 5: Solve for x
    x = 2,817,073,764.72/56,554.80
  6. Step 6: Final answer
    x = 49,811.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.