Home / 54,429.12-81,642.82-38,352.19

Finding the Fourth Proportional to 54,429.12, 81,642.82 and 38,352.19

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Solution

The fourth proportional to 54,429.12, 81,642.82 and 38,352.19 is: 57,527.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,429.12 : 81,642.82 = 38,352.19 : x
  2. Step 2: Convert to fraction form
    54,429.12/81,642.82 = 38,352.19/x
  3. Step 3: Cross multiply
    54,429.12x = 81,642.82 × 38,352.19
  4. Step 4: Simplify right side
    54,429.12x = 3,131,180,944.78
  5. Step 5: Solve for x
    x = 3,131,180,944.78/54,429.12
  6. Step 6: Final answer
    x = 57,527.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.