Home / 52,197.60-78,296.03-12,754.35

Finding the Fourth Proportional to 52,197.60, 78,296.03 and 12,754.35

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Solution

The fourth proportional to 52,197.60, 78,296.03 and 12,754.35 is: 19,131.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,197.60 : 78,296.03 = 12,754.35 : x
  2. Step 2: Convert to fraction form
    52,197.60/78,296.03 = 12,754.35/x
  3. Step 3: Cross multiply
    52,197.60x = 78,296.03 × 12,754.35
  4. Step 4: Simplify right side
    52,197.60x = 998,614,906.46
  5. Step 5: Solve for x
    x = 998,614,906.46/52,197.60
  6. Step 6: Final answer
    x = 19,131.43

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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.