Home / 52,122.82-78,184.23-12,679.96

Finding the Fourth Proportional to 52,122.82, 78,184.23 and 12,679.96

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Solution

The fourth proportional to 52,122.82, 78,184.23 and 12,679.96 is: 19,019.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,122.82 : 78,184.23 = 12,679.96 : x
  2. Step 2: Convert to fraction form
    52,122.82/78,184.23 = 12,679.96/x
  3. Step 3: Cross multiply
    52,122.82x = 78,184.23 × 12,679.96
  4. Step 4: Simplify right side
    52,122.82x = 991,372,909.03
  5. Step 5: Solve for x
    x = 991,372,909.03/52,122.82
  6. Step 6: Final answer
    x = 19,019.94

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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.