Home / 52,601.08-78,911.91-19,321.39

Finding the Fourth Proportional to 52,601.08, 78,911.91 and 19,321.39

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Solution

The fourth proportional to 52,601.08, 78,911.91 and 19,321.39 is: 28,985.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,601.08 : 78,911.91 = 19,321.39 : x
  2. Step 2: Convert to fraction form
    52,601.08/78,911.91 = 19,321.39/x
  3. Step 3: Cross multiply
    52,601.08x = 78,911.91 × 19,321.39
  4. Step 4: Simplify right side
    52,601.08x = 1,524,688,163.68
  5. Step 5: Solve for x
    x = 1,524,688,163.68/52,601.08
  6. Step 6: Final answer
    x = 28,985.87

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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.