Home / 50,338.65-75,517.08-20,740.02

Finding the Fourth Proportional to 50,338.65, 75,517.08 and 20,740.02

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Solution

The fourth proportional to 50,338.65, 75,517.08 and 20,740.02 is: 31,113.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,338.65 : 75,517.08 = 20,740.02 : x
  2. Step 2: Convert to fraction form
    50,338.65/75,517.08 = 20,740.02/x
  3. Step 3: Cross multiply
    50,338.65x = 75,517.08 × 20,740.02
  4. Step 4: Simplify right side
    50,338.65x = 1,566,225,749.54
  5. Step 5: Solve for x
    x = 1,566,225,749.54/50,338.65
  6. Step 6: Final answer
    x = 31,113.78

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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.