Home / 54,071.89-74,618.41-30,198.90

Finding the Fourth Proportional to 54,071.89, 74,618.41 and 30,198.90

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Solution

The fourth proportional to 54,071.89, 74,618.41 and 30,198.90 is: 41,674.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,071.89 : 74,618.41 = 30,198.90 : x
  2. Step 2: Convert to fraction form
    54,071.89/74,618.41 = 30,198.90/x
  3. Step 3: Cross multiply
    54,071.89x = 74,618.41 × 30,198.90
  4. Step 4: Simplify right side
    54,071.89x = 2,253,393,901.75
  5. Step 5: Solve for x
    x = 2,253,393,901.75/54,071.89
  6. Step 6: Final answer
    x = 41,674.04

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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.