Home / 52,073.34-78,093.85-18,789.09

Finding the Fourth Proportional to 52,073.34, 78,093.85 and 18,789.09

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Solution

The fourth proportional to 52,073.34, 78,093.85 and 18,789.09 is: 28,177.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,073.34 : 78,093.85 = 18,789.09 : x
  2. Step 2: Convert to fraction form
    52,073.34/78,093.85 = 18,789.09/x
  3. Step 3: Cross multiply
    52,073.34x = 78,093.85 × 18,789.09
  4. Step 4: Simplify right side
    52,073.34x = 1,467,312,376.10
  5. Step 5: Solve for x
    x = 1,467,312,376.10/52,073.34
  6. Step 6: Final answer
    x = 28,177.80

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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.