Home / 49,438.46-74,169.84-14,378.42

Finding the Fourth Proportional to 49,438.46, 74,169.84 and 14,378.42

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Solution

The fourth proportional to 49,438.46, 74,169.84 and 14,378.42 is: 21,571.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,438.46 : 74,169.84 = 14,378.42 : x
  2. Step 2: Convert to fraction form
    49,438.46/74,169.84 = 14,378.42/x
  3. Step 3: Cross multiply
    49,438.46x = 74,169.84 × 14,378.42
  4. Step 4: Simplify right side
    49,438.46x = 1,066,445,110.85
  5. Step 5: Solve for x
    x = 1,066,445,110.85/49,438.46
  6. Step 6: Final answer
    x = 21,571.16

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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.