Home / 54,723.18-75,517.88-30,850.05

Finding the Fourth Proportional to 54,723.18, 75,517.88 and 30,850.05

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Solution

The fourth proportional to 54,723.18, 75,517.88 and 30,850.05 is: 42,573.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,723.18 : 75,517.88 = 30,850.05 : x
  2. Step 2: Convert to fraction form
    54,723.18/75,517.88 = 30,850.05/x
  3. Step 3: Cross multiply
    54,723.18x = 75,517.88 × 30,850.05
  4. Step 4: Simplify right side
    54,723.18x = 2,329,730,219.64
  5. Step 5: Solve for x
    x = 2,329,730,219.64/54,723.18
  6. Step 6: Final answer
    x = 42,573.01

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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.