Home / 51,937.26-77,909.73-18,657.60

Finding the Fourth Proportional to 51,937.26, 77,909.73 and 18,657.60

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Solution

The fourth proportional to 51,937.26, 77,909.73 and 18,657.60 is: 27,987.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,937.26 : 77,909.73 = 18,657.60 : x
  2. Step 2: Convert to fraction form
    51,937.26/77,909.73 = 18,657.60/x
  3. Step 3: Cross multiply
    51,937.26x = 77,909.73 × 18,657.60
  4. Step 4: Simplify right side
    51,937.26x = 1,453,608,578.45
  5. Step 5: Solve for x
    x = 1,453,608,578.45/51,937.26
  6. Step 6: Final answer
    x = 27,987.78

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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.