Home / 40,770.84-61,197.73-28,121.48

Finding the Fourth Proportional to 40,770.84, 61,197.73 and 28,121.48

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Solution

The fourth proportional to 40,770.84, 61,197.73 and 28,121.48 is: 42,210.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,770.84 : 61,197.73 = 28,121.48 : x
  2. Step 2: Convert to fraction form
    40,770.84/61,197.73 = 28,121.48/x
  3. Step 3: Cross multiply
    40,770.84x = 61,197.73 × 28,121.48
  4. Step 4: Simplify right side
    40,770.84x = 1,720,970,593.44
  5. Step 5: Solve for x
    x = 1,720,970,593.44/40,770.84
  6. Step 6: Final answer
    x = 42,210.82

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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.