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Finding the Fourth Proportional to 54,818.80, 75,650.02 and 29,668.30

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Solution

The fourth proportional to 54,818.80, 75,650.02 and 29,668.30 is: 40,942.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,818.80 : 75,650.02 = 29,668.30 : x
  2. Step 2: Convert to fraction form
    54,818.80/75,650.02 = 29,668.30/x
  3. Step 3: Cross multiply
    54,818.80x = 75,650.02 × 29,668.30
  4. Step 4: Simplify right side
    54,818.80x = 2,244,407,488.37
  5. Step 5: Solve for x
    x = 2,244,407,488.37/54,818.80
  6. Step 6: Final answer
    x = 40,942.30

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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.