Home / 54,209.19-74,811.81-30,335.65

Finding the Fourth Proportional to 54,209.19, 74,811.81 and 30,335.65

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Solution

The fourth proportional to 54,209.19, 74,811.81 and 30,335.65 is: 41,864.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,209.19 : 74,811.81 = 30,335.65 : x
  2. Step 2: Convert to fraction form
    54,209.19/74,811.81 = 30,335.65/x
  3. Step 3: Cross multiply
    54,209.19x = 74,811.81 × 30,335.65
  4. Step 4: Simplify right side
    54,209.19x = 2,269,464,884.03
  5. Step 5: Solve for x
    x = 2,269,464,884.03/54,209.19
  6. Step 6: Final answer
    x = 41,864.95

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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.