Home / 54,388.68-75,057.67-30,517.12

Finding the Fourth Proportional to 54,388.68, 75,057.67 and 30,517.12

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Solution

The fourth proportional to 54,388.68, 75,057.67 and 30,517.12 is: 42,114.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,388.68 : 75,057.67 = 30,517.12 : x
  2. Step 2: Convert to fraction form
    54,388.68/75,057.67 = 30,517.12/x
  3. Step 3: Cross multiply
    54,388.68x = 75,057.67 × 30,517.12
  4. Step 4: Simplify right side
    54,388.68x = 2,290,543,673.26
  5. Step 5: Solve for x
    x = 2,290,543,673.26/54,388.68
  6. Step 6: Final answer
    x = 42,114.35

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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.