Home / 54,380.45-75,041.18-30,182.64

Finding the Fourth Proportional to 54,380.45, 75,041.18 and 30,182.64

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Solution

The fourth proportional to 54,380.45, 75,041.18 and 30,182.64 is: 41,649.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,380.45 : 75,041.18 = 30,182.64 : x
  2. Step 2: Convert to fraction form
    54,380.45/75,041.18 = 30,182.64/x
  3. Step 3: Cross multiply
    54,380.45x = 75,041.18 × 30,182.64
  4. Step 4: Simplify right side
    54,380.45x = 2,264,940,770.20
  5. Step 5: Solve for x
    x = 2,264,940,770.20/54,380.45
  6. Step 6: Final answer
    x = 41,649.91

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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.