Home / 54,319.95-74,961.29-30,446.62

Finding the Fourth Proportional to 54,319.95, 74,961.29 and 30,446.62

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Solution

The fourth proportional to 54,319.95, 74,961.29 and 30,446.62 is: 42,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,319.95 : 74,961.29 = 30,446.62 : x
  2. Step 2: Convert to fraction form
    54,319.95/74,961.29 = 30,446.62/x
  3. Step 3: Cross multiply
    54,319.95x = 74,961.29 × 30,446.62
  4. Step 4: Simplify right side
    54,319.95x = 2,282,317,759.11
  5. Step 5: Solve for x
    x = 2,282,317,759.11/54,319.95
  6. Step 6: Final answer
    x = 42,016.20

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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.