Home / 54,530.20-75,229.32-34,380.64

Finding the Fourth Proportional to 54,530.20, 75,229.32 and 34,380.64

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Solution

The fourth proportional to 54,530.20, 75,229.32 and 34,380.64 is: 47,431.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,530.20 : 75,229.32 = 34,380.64 : x
  2. Step 2: Convert to fraction form
    54,530.20/75,229.32 = 34,380.64/x
  3. Step 3: Cross multiply
    54,530.20x = 75,229.32 × 34,380.64
  4. Step 4: Simplify right side
    54,530.20x = 2,586,432,168.36
  5. Step 5: Solve for x
    x = 2,586,432,168.36/54,530.20
  6. Step 6: Final answer
    x = 47,431.19

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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.