Home / 52,311.15-78,500.16-19,028.03

Finding the Fourth Proportional to 52,311.15, 78,500.16 and 19,028.03

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Solution

The fourth proportional to 52,311.15, 78,500.16 and 19,028.03 is: 28,554.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,311.15 : 78,500.16 = 19,028.03 : x
  2. Step 2: Convert to fraction form
    52,311.15/78,500.16 = 19,028.03/x
  3. Step 3: Cross multiply
    52,311.15x = 78,500.16 × 19,028.03
  4. Step 4: Simplify right side
    52,311.15x = 1,493,703,006.98
  5. Step 5: Solve for x
    x = 1,493,703,006.98/52,311.15
  6. Step 6: Final answer
    x = 28,554.20

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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.