Home / 45,251.95-67,904.39-18,954.49

Finding the Fourth Proportional to 45,251.95, 67,904.39 and 18,954.49

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Solution

The fourth proportional to 45,251.95, 67,904.39 and 18,954.49 is: 28,442.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,251.95 : 67,904.39 = 18,954.49 : x
  2. Step 2: Convert to fraction form
    45,251.95/67,904.39 = 18,954.49/x
  3. Step 3: Cross multiply
    45,251.95x = 67,904.39 × 18,954.49
  4. Step 4: Simplify right side
    45,251.95x = 1,287,093,081.21
  5. Step 5: Solve for x
    x = 1,287,093,081.21/45,251.95
  6. Step 6: Final answer
    x = 28,442.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.