Home / 49,913.42-74,849.33-20,311.16

Finding the Fourth Proportional to 49,913.42, 74,849.33 and 20,311.16

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Solution

The fourth proportional to 49,913.42, 74,849.33 and 20,311.16 is: 30,458.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,913.42 : 74,849.33 = 20,311.16 : x
  2. Step 2: Convert to fraction form
    49,913.42/74,849.33 = 20,311.16/x
  3. Step 3: Cross multiply
    49,913.42x = 74,849.33 × 20,311.16
  4. Step 4: Simplify right side
    49,913.42x = 1,520,276,394.05
  5. Step 5: Solve for x
    x = 1,520,276,394.05/49,913.42
  6. Step 6: Final answer
    x = 30,458.27

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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.