Home / 54,620.72-75,376.68-30,747.60

Finding the Fourth Proportional to 54,620.72, 75,376.68 and 30,747.60

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Solution

The fourth proportional to 54,620.72, 75,376.68 and 30,747.60 is: 42,431.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,620.72 : 75,376.68 = 30,747.60 : x
  2. Step 2: Convert to fraction form
    54,620.72/75,376.68 = 30,747.60/x
  3. Step 3: Cross multiply
    54,620.72x = 75,376.68 × 30,747.60
  4. Step 4: Simplify right side
    54,620.72x = 2,317,652,005.97
  5. Step 5: Solve for x
    x = 2,317,652,005.97/54,620.72
  6. Step 6: Final answer
    x = 42,431.74

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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.