Home / 67,836.29-101,752.85-17,919.89

Finding the Fourth Proportional to 67,836.29, 101,752.85 and 17,919.89

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Solution

The fourth proportional to 67,836.29, 101,752.85 and 17,919.89 is: 26,879.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,836.29 : 101,752.85 = 17,919.89 : x
  2. Step 2: Convert to fraction form
    67,836.29/101,752.85 = 17,919.89/x
  3. Step 3: Cross multiply
    67,836.29x = 101,752.85 × 17,919.89
  4. Step 4: Simplify right side
    67,836.29x = 1,823,399,415.22
  5. Step 5: Solve for x
    x = 1,823,399,415.22/67,836.29
  6. Step 6: Final answer
    x = 26,879.41

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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.