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Finding the Fourth Proportional to 45,672.80, 63,047.88 and 27,773.55

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Solution

The fourth proportional to 45,672.80, 63,047.88 and 27,773.55 is: 38,339.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,672.80 : 63,047.88 = 27,773.55 : x
  2. Step 2: Convert to fraction form
    45,672.80/63,047.88 = 27,773.55/x
  3. Step 3: Cross multiply
    45,672.80x = 63,047.88 × 27,773.55
  4. Step 4: Simplify right side
    45,672.80x = 1,751,063,447.57
  5. Step 5: Solve for x
    x = 1,751,063,447.57/45,672.80
  6. Step 6: Final answer
    x = 38,339.31

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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.