Home / 52,249.86-72,104.78-28,376.54

Finding the Fourth Proportional to 52,249.86, 72,104.78 and 28,376.54

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Solution

The fourth proportional to 52,249.86, 72,104.78 and 28,376.54 is: 39,159.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,249.86 : 72,104.78 = 28,376.54 : x
  2. Step 2: Convert to fraction form
    52,249.86/72,104.78 = 28,376.54/x
  3. Step 3: Cross multiply
    52,249.86x = 72,104.78 × 28,376.54
  4. Step 4: Simplify right side
    52,249.86x = 2,046,084,173.86
  5. Step 5: Solve for x
    x = 2,046,084,173.86/52,249.86
  6. Step 6: Final answer
    x = 39,159.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.