Home / 54,883.70-75,740.28-30,687.27

Finding the Fourth Proportional to 54,883.70, 75,740.28 and 30,687.27

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Solution

The fourth proportional to 54,883.70, 75,740.28 and 30,687.27 is: 42,348.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,883.70 : 75,740.28 = 30,687.27 : x
  2. Step 2: Convert to fraction form
    54,883.70/75,740.28 = 30,687.27/x
  3. Step 3: Cross multiply
    54,883.70x = 75,740.28 × 30,687.27
  4. Step 4: Simplify right side
    54,883.70x = 2,324,262,422.24
  5. Step 5: Solve for x
    x = 2,324,262,422.24/54,883.70
  6. Step 6: Final answer
    x = 42,348.87

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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.