Home / 75,982.86-113,964.03-19,826.91

Finding the Fourth Proportional to 75,982.86, 113,964.03 and 19,826.91

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Solution

The fourth proportional to 75,982.86, 113,964.03 and 19,826.91 is: 29,737.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,982.86 : 113,964.03 = 19,826.91 : x
  2. Step 2: Convert to fraction form
    75,982.86/113,964.03 = 19,826.91/x
  3. Step 3: Cross multiply
    75,982.86x = 113,964.03 × 19,826.91
  4. Step 4: Simplify right side
    75,982.86x = 2,259,554,566.05
  5. Step 5: Solve for x
    x = 2,259,554,566.05/75,982.86
  6. Step 6: Final answer
    x = 29,737.69

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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.