Home / 54,680.74-75,456.63-30,808.82

Finding the Fourth Proportional to 54,680.74, 75,456.63 and 30,808.82

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Solution

The fourth proportional to 54,680.74, 75,456.63 and 30,808.82 is: 42,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,680.74 : 75,456.63 = 30,808.82 : x
  2. Step 2: Convert to fraction form
    54,680.74/75,456.63 = 30,808.82/x
  3. Step 3: Cross multiply
    54,680.74x = 75,456.63 × 30,808.82
  4. Step 4: Simplify right side
    54,680.74x = 2,324,729,920.12
  5. Step 5: Solve for x
    x = 2,324,729,920.12/54,680.74
  6. Step 6: Final answer
    x = 42,514.60

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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.