Home / 45,717.24-68,603.11-20,414.79

Finding the Fourth Proportional to 45,717.24, 68,603.11 and 20,414.79

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Solution

The fourth proportional to 45,717.24, 68,603.11 and 20,414.79 is: 30,634.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,717.24 : 68,603.11 = 20,414.79 : x
  2. Step 2: Convert to fraction form
    45,717.24/68,603.11 = 20,414.79/x
  3. Step 3: Cross multiply
    45,717.24x = 68,603.11 × 20,414.79
  4. Step 4: Simplify right side
    45,717.24x = 1,400,518,084.00
  5. Step 5: Solve for x
    x = 1,400,518,084.00/45,717.24
  6. Step 6: Final answer
    x = 30,634.35

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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.