Home / 54,634.56-75,403.20-30,770.88

Finding the Fourth Proportional to 54,634.56, 75,403.20 and 30,770.88

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Solution

The fourth proportional to 54,634.56, 75,403.20 and 30,770.88 is: 42,468.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,634.56 : 75,403.20 = 30,770.88 : x
  2. Step 2: Convert to fraction form
    54,634.56/75,403.20 = 30,770.88/x
  3. Step 3: Cross multiply
    54,634.56x = 75,403.20 × 30,770.88
  4. Step 4: Simplify right side
    54,634.56x = 2,320,222,818.82
  5. Step 5: Solve for x
    x = 2,320,222,818.82/54,634.56
  6. Step 6: Final answer
    x = 42,468.04

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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.