Home / 54,380.91-75,044.48-30,507.15

Finding the Fourth Proportional to 54,380.91, 75,044.48 and 30,507.15

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Solution

The fourth proportional to 54,380.91, 75,044.48 and 30,507.15 is: 42,099.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,380.91 : 75,044.48 = 30,507.15 : x
  2. Step 2: Convert to fraction form
    54,380.91/75,044.48 = 30,507.15/x
  3. Step 3: Cross multiply
    54,380.91x = 75,044.48 × 30,507.15
  4. Step 4: Simplify right side
    54,380.91x = 2,289,393,055.50
  5. Step 5: Solve for x
    x = 2,289,393,055.50/54,380.91
  6. Step 6: Final answer
    x = 42,099.20

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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.