Home / 54,179.74-74,769.43-30,306.35

Finding the Fourth Proportional to 54,179.74, 74,769.43 and 30,306.35

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Solution

The fourth proportional to 54,179.74, 74,769.43 and 30,306.35 is: 41,823.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,179.74 : 74,769.43 = 30,306.35 : x
  2. Step 2: Convert to fraction form
    54,179.74/74,769.43 = 30,306.35/x
  3. Step 3: Cross multiply
    54,179.74x = 74,769.43 × 30,306.35
  4. Step 4: Simplify right side
    54,179.74x = 2,265,988,682.86
  5. Step 5: Solve for x
    x = 2,265,988,682.86/54,179.74
  6. Step 6: Final answer
    x = 41,823.55

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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.