Home / 54,258.57-74,883.24-30,380.63

Finding the Fourth Proportional to 54,258.57, 74,883.24 and 30,380.63

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Solution

The fourth proportional to 54,258.57, 74,883.24 and 30,380.63 is: 41,928.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,258.57 : 74,883.24 = 30,380.63 : x
  2. Step 2: Convert to fraction form
    54,258.57/74,883.24 = 30,380.63/x
  3. Step 3: Cross multiply
    54,258.57x = 74,883.24 × 30,380.63
  4. Step 4: Simplify right side
    54,258.57x = 2,274,999,633.23
  5. Step 5: Solve for x
    x = 2,274,999,633.23/54,258.57
  6. Step 6: Final answer
    x = 41,928.85

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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.