Home / 54,670.92-75,445.55-30,805.28

Finding the Fourth Proportional to 54,670.92, 75,445.55 and 30,805.28

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Solution

The fourth proportional to 54,670.92, 75,445.55 and 30,805.28 is: 42,511.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,670.92 : 75,445.55 = 30,805.28 : x
  2. Step 2: Convert to fraction form
    54,670.92/75,445.55 = 30,805.28/x
  3. Step 3: Cross multiply
    54,670.92x = 75,445.55 × 30,805.28
  4. Step 4: Simplify right side
    54,670.92x = 2,324,120,761.25
  5. Step 5: Solve for x
    x = 2,324,120,761.25/54,670.92
  6. Step 6: Final answer
    x = 42,511.10

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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.