Home / 54,253.35-74,870.61-30,380.43

Finding the Fourth Proportional to 54,253.35, 74,870.61 and 30,380.43

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Solution

The fourth proportional to 54,253.35, 74,870.61 and 30,380.43 is: 41,925.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,253.35 : 74,870.61 = 30,380.43 : x
  2. Step 2: Convert to fraction form
    54,253.35/74,870.61 = 30,380.43/x
  3. Step 3: Cross multiply
    54,253.35x = 74,870.61 × 30,380.43
  4. Step 4: Simplify right side
    54,253.35x = 2,274,601,326.16
  5. Step 5: Solve for x
    x = 2,274,601,326.16/54,253.35
  6. Step 6: Final answer
    x = 41,925.55

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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.