Home / 35,340.04-52,940.70-20,517.88

Finding the Fourth Proportional to 35,340.04, 52,940.70 and 20,517.88

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Solution

The fourth proportional to 35,340.04, 52,940.70 and 20,517.88 is: 30,736.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,340.04 : 52,940.70 = 20,517.88 : x
  2. Step 2: Convert to fraction form
    35,340.04/52,940.70 = 20,517.88/x
  3. Step 3: Cross multiply
    35,340.04x = 52,940.70 × 20,517.88
  4. Step 4: Simplify right side
    35,340.04x = 1,086,230,929.72
  5. Step 5: Solve for x
    x = 1,086,230,929.72/35,340.04
  6. Step 6: Final answer
    x = 30,736.55

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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.