Home / 45,800.11-68,717.47-17,721.85

Finding the Fourth Proportional to 45,800.11, 68,717.47 and 17,721.85

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Solution

The fourth proportional to 45,800.11, 68,717.47 and 17,721.85 is: 26,589.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,800.11 : 68,717.47 = 17,721.85 : x
  2. Step 2: Convert to fraction form
    45,800.11/68,717.47 = 17,721.85/x
  3. Step 3: Cross multiply
    45,800.11x = 68,717.47 × 17,721.85
  4. Step 4: Simplify right side
    45,800.11x = 1,217,800,695.72
  5. Step 5: Solve for x
    x = 1,217,800,695.72/45,800.11
  6. Step 6: Final answer
    x = 26,589.47

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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.