Home / 49,647.04-74,441.76-20,040.64

Finding the Fourth Proportional to 49,647.04, 74,441.76 and 20,040.64

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Solution

The fourth proportional to 49,647.04, 74,441.76 and 20,040.64 is: 30,049.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,647.04 : 74,441.76 = 20,040.64 : x
  2. Step 2: Convert to fraction form
    49,647.04/74,441.76 = 20,040.64/x
  3. Step 3: Cross multiply
    49,647.04x = 74,441.76 × 20,040.64
  4. Step 4: Simplify right side
    49,647.04x = 1,491,860,513.13
  5. Step 5: Solve for x
    x = 1,491,860,513.13/49,647.04
  6. Step 6: Final answer
    x = 30,049.33

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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.