Home / 54,479.36-75,179.84-30,605.44

Finding the Fourth Proportional to 54,479.36, 75,179.84 and 30,605.44

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Solution

The fourth proportional to 54,479.36, 75,179.84 and 30,605.44 is: 42,234.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,479.36 : 75,179.84 = 30,605.44 : x
  2. Step 2: Convert to fraction form
    54,479.36/75,179.84 = 30,605.44/x
  3. Step 3: Cross multiply
    54,479.36x = 75,179.84 × 30,605.44
  4. Step 4: Simplify right side
    54,479.36x = 2,300,912,082.33
  5. Step 5: Solve for x
    x = 2,300,912,082.33/54,479.36
  6. Step 6: Final answer
    x = 42,234.57

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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.