Home / 52,716.25-79,074.43-21,551.50

Finding the Fourth Proportional to 52,716.25, 79,074.43 and 21,551.50

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Solution

The fourth proportional to 52,716.25, 79,074.43 and 21,551.50 is: 32,327.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,716.25 : 79,074.43 = 21,551.50 : x
  2. Step 2: Convert to fraction form
    52,716.25/79,074.43 = 21,551.50/x
  3. Step 3: Cross multiply
    52,716.25x = 79,074.43 × 21,551.50
  4. Step 4: Simplify right side
    52,716.25x = 1,704,172,623.11
  5. Step 5: Solve for x
    x = 1,704,172,623.11/52,716.25
  6. Step 6: Final answer
    x = 32,327.27

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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.