Home / 40,268.60-60,357.33-20,505.41

Finding the Fourth Proportional to 40,268.60, 60,357.33 and 20,505.41

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Solution

The fourth proportional to 40,268.60, 60,357.33 and 20,505.41 is: 30,734.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,268.60 : 60,357.33 = 20,505.41 : x
  2. Step 2: Convert to fraction form
    40,268.60/60,357.33 = 20,505.41/x
  3. Step 3: Cross multiply
    40,268.60x = 60,357.33 × 20,505.41
  4. Step 4: Simplify right side
    40,268.60x = 1,237,651,949.05
  5. Step 5: Solve for x
    x = 1,237,651,949.05/40,268.60
  6. Step 6: Final answer
    x = 30,734.91

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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.