Home / 54,753.42-75,559.53-30,879.96

Finding the Fourth Proportional to 54,753.42, 75,559.53 and 30,879.96

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Solution

The fourth proportional to 54,753.42, 75,559.53 and 30,879.96 is: 42,614.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,753.42 : 75,559.53 = 30,879.96 : x
  2. Step 2: Convert to fraction form
    54,753.42/75,559.53 = 30,879.96/x
  3. Step 3: Cross multiply
    54,753.42x = 75,559.53 × 30,879.96
  4. Step 4: Simplify right side
    54,753.42x = 2,333,275,264.02
  5. Step 5: Solve for x
    x = 2,333,275,264.02/54,753.42
  6. Step 6: Final answer
    x = 42,614.24

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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.