Home / 54,628.70-75,387.11-30,754.76

Finding the Fourth Proportional to 54,628.70, 75,387.11 and 30,754.76

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Solution

The fourth proportional to 54,628.70, 75,387.11 and 30,754.76 is: 42,441.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,628.70 : 75,387.11 = 30,754.76 : x
  2. Step 2: Convert to fraction form
    54,628.70/75,387.11 = 30,754.76/x
  3. Step 3: Cross multiply
    54,628.70x = 75,387.11 × 30,754.76
  4. Step 4: Simplify right side
    54,628.70x = 2,318,511,944.43
  5. Step 5: Solve for x
    x = 2,318,511,944.43/54,628.70
  6. Step 6: Final answer
    x = 42,441.28

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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.