Home / 52,501.08-78,745.76-18,759.86

Finding the Fourth Proportional to 52,501.08, 78,745.76 and 18,759.86

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Solution

The fourth proportional to 52,501.08, 78,745.76 and 18,759.86 is: 28,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,501.08 : 78,745.76 = 18,759.86 : x
  2. Step 2: Convert to fraction form
    52,501.08/78,745.76 = 18,759.86/x
  3. Step 3: Cross multiply
    52,501.08x = 78,745.76 × 18,759.86
  4. Step 4: Simplify right side
    52,501.08x = 1,477,259,433.19
  5. Step 5: Solve for x
    x = 1,477,259,433.19/52,501.08
  6. Step 6: Final answer
    x = 28,137.70

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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.