Home / 54,251.21-74,869.44-30,376.46

Finding the Fourth Proportional to 54,251.21, 74,869.44 and 30,376.46

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Solution

The fourth proportional to 54,251.21, 74,869.44 and 30,376.46 is: 41,921.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,251.21 : 74,869.44 = 30,376.46 : x
  2. Step 2: Convert to fraction form
    54,251.21/74,869.44 = 30,376.46/x
  3. Step 3: Cross multiply
    54,251.21x = 74,869.44 × 30,376.46
  4. Step 4: Simplify right side
    54,251.21x = 2,274,268,549.38
  5. Step 5: Solve for x
    x = 2,274,268,549.38/54,251.21
  6. Step 6: Final answer
    x = 41,921.07

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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.