Home / 54,065.18-74,605.65-30,190.43

Finding the Fourth Proportional to 54,065.18, 74,605.65 and 30,190.43

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Solution

The fourth proportional to 54,065.18, 74,605.65 and 30,190.43 is: 41,660.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,065.18 : 74,605.65 = 30,190.43 : x
  2. Step 2: Convert to fraction form
    54,065.18/74,605.65 = 30,190.43/x
  3. Step 3: Cross multiply
    54,065.18x = 74,605.65 × 30,190.43
  4. Step 4: Simplify right side
    54,065.18x = 2,252,376,653.93
  5. Step 5: Solve for x
    x = 2,252,376,653.93/54,065.18
  6. Step 6: Final answer
    x = 41,660.39

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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.