Home / 51,438.48-77,169.96-16,378.08

Finding the Fourth Proportional to 51,438.48, 77,169.96 and 16,378.08

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Solution

The fourth proportional to 51,438.48, 77,169.96 and 16,378.08 is: 24,571.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,438.48 : 77,169.96 = 16,378.08 : x
  2. Step 2: Convert to fraction form
    51,438.48/77,169.96 = 16,378.08/x
  3. Step 3: Cross multiply
    51,438.48x = 77,169.96 × 16,378.08
  4. Step 4: Simplify right side
    51,438.48x = 1,263,895,778.48
  5. Step 5: Solve for x
    x = 1,263,895,778.48/51,438.48
  6. Step 6: Final answer
    x = 24,571.02

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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.