Home / 35,340.14-48,766.50-20,229.36

Finding the Fourth Proportional to 35,340.14, 48,766.50 and 20,229.36

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Solution

The fourth proportional to 35,340.14, 48,766.50 and 20,229.36 is: 27,914.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,340.14 : 48,766.50 = 20,229.36 : x
  2. Step 2: Convert to fraction form
    35,340.14/48,766.50 = 20,229.36/x
  3. Step 3: Cross multiply
    35,340.14x = 48,766.50 × 20,229.36
  4. Step 4: Simplify right side
    35,340.14x = 986,515,084.44
  5. Step 5: Solve for x
    x = 986,515,084.44/35,340.14
  6. Step 6: Final answer
    x = 27,914.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.