Home / 54,447.92-75,138.96-30,573.20

Finding the Fourth Proportional to 54,447.92, 75,138.96 and 30,573.20

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Solution

The fourth proportional to 54,447.92, 75,138.96 and 30,573.20 is: 42,191.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,447.92 : 75,138.96 = 30,573.20 : x
  2. Step 2: Convert to fraction form
    54,447.92/75,138.96 = 30,573.20/x
  3. Step 3: Cross multiply
    54,447.92x = 75,138.96 × 30,573.20
  4. Step 4: Simplify right side
    54,447.92x = 2,297,238,451.87
  5. Step 5: Solve for x
    x = 2,297,238,451.87/54,447.92
  6. Step 6: Final answer
    x = 42,191.48

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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.