Home / 54,121.87-74,679.06-30,248.74

Finding the Fourth Proportional to 54,121.87, 74,679.06 and 30,248.74

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Solution

The fourth proportional to 54,121.87, 74,679.06 and 30,248.74 is: 41,738.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,121.87 : 74,679.06 = 30,248.74 : x
  2. Step 2: Convert to fraction form
    54,121.87/74,679.06 = 30,248.74/x
  3. Step 3: Cross multiply
    54,121.87x = 74,679.06 × 30,248.74
  4. Step 4: Simplify right side
    54,121.87x = 2,258,947,469.38
  5. Step 5: Solve for x
    x = 2,258,947,469.38/54,121.87
  6. Step 6: Final answer
    x = 41,738.16

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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.