Home / 67,214.40-100,821.60-27,799.80

Finding the Fourth Proportional to 67,214.40, 100,821.60 and 27,799.80

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Solution

The fourth proportional to 67,214.40, 100,821.60 and 27,799.80 is: 41,699.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,214.40 : 100,821.60 = 27,799.80 : x
  2. Step 2: Convert to fraction form
    67,214.40/100,821.60 = 27,799.80/x
  3. Step 3: Cross multiply
    67,214.40x = 100,821.60 × 27,799.80
  4. Step 4: Simplify right side
    67,214.40x = 2,802,820,315.68
  5. Step 5: Solve for x
    x = 2,802,820,315.68/67,214.40
  6. Step 6: Final answer
    x = 41,699.70

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1.5x scale

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.