Home / 54,060.85-74,604.14-30,188.40

Finding the Fourth Proportional to 54,060.85, 74,604.14 and 30,188.40

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Solution

The fourth proportional to 54,060.85, 74,604.14 and 30,188.40 is: 41,660.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,060.85 : 74,604.14 = 30,188.40 : x
  2. Step 2: Convert to fraction form
    54,060.85/74,604.14 = 30,188.40/x
  3. Step 3: Cross multiply
    54,060.85x = 74,604.14 × 30,188.40
  4. Step 4: Simplify right side
    54,060.85x = 2,252,179,619.98
  5. Step 5: Solve for x
    x = 2,252,179,619.98/54,060.85
  6. Step 6: Final answer
    x = 41,660.09

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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.