Home / 49,815.33-74,739.40-20,225.22

Finding the Fourth Proportional to 49,815.33, 74,739.40 and 20,225.22

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Solution

The fourth proportional to 49,815.33, 74,739.40 and 20,225.22 is: 30,344.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,815.33 : 74,739.40 = 20,225.22 : x
  2. Step 2: Convert to fraction form
    49,815.33/74,739.40 = 20,225.22/x
  3. Step 3: Cross multiply
    49,815.33x = 74,739.40 × 20,225.22
  4. Step 4: Simplify right side
    49,815.33x = 1,511,620,757.10
  5. Step 5: Solve for x
    x = 1,511,620,757.10/49,815.33
  6. Step 6: Final answer
    x = 30,344.49

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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.