Home / 67,811.09-101,705.02-17,891.70

Finding the Fourth Proportional to 67,811.09, 101,705.02 and 17,891.70

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Solution

The fourth proportional to 67,811.09, 101,705.02 and 17,891.70 is: 26,834.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,811.09 : 101,705.02 = 17,891.70 : x
  2. Step 2: Convert to fraction form
    67,811.09/101,705.02 = 17,891.70/x
  3. Step 3: Cross multiply
    67,811.09x = 101,705.02 × 17,891.70
  4. Step 4: Simplify right side
    67,811.09x = 1,819,675,706.33
  5. Step 5: Solve for x
    x = 1,819,675,706.33/67,811.09
  6. Step 6: Final answer
    x = 26,834.49

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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.