Home / 52,072.88-78,093.18-18,788.63

Finding the Fourth Proportional to 52,072.88, 78,093.18 and 18,788.63

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Solution

The fourth proportional to 52,072.88, 78,093.18 and 18,788.63 is: 28,177.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,072.88 : 78,093.18 = 18,788.63 : x
  2. Step 2: Convert to fraction form
    52,072.88/78,093.18 = 18,788.63/x
  3. Step 3: Cross multiply
    52,072.88x = 78,093.18 × 18,788.63
  4. Step 4: Simplify right side
    52,072.88x = 1,467,263,474.08
  5. Step 5: Solve for x
    x = 1,467,263,474.08/52,072.88
  6. Step 6: Final answer
    x = 28,177.12

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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.