Home / 52,655.86-78,991.25-17,105.80

Finding the Fourth Proportional to 52,655.86, 78,991.25 and 17,105.80

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Solution

The fourth proportional to 52,655.86, 78,991.25 and 17,105.80 is: 25,661.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,655.86 : 78,991.25 = 17,105.80 : x
  2. Step 2: Convert to fraction form
    52,655.86/78,991.25 = 17,105.80/x
  3. Step 3: Cross multiply
    52,655.86x = 78,991.25 × 17,105.80
  4. Step 4: Simplify right side
    52,655.86x = 1,351,208,524.25
  5. Step 5: Solve for x
    x = 1,351,208,524.25/52,655.86
  6. Step 6: Final answer
    x = 25,661.12

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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.