Home / 51,495.89-77,151.56-18,194.71

Finding the Fourth Proportional to 51,495.89, 77,151.56 and 18,194.71

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Solution

The fourth proportional to 51,495.89, 77,151.56 and 18,194.71 is: 27,259.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,495.89 : 77,151.56 = 18,194.71 : x
  2. Step 2: Convert to fraction form
    51,495.89/77,151.56 = 18,194.71/x
  3. Step 3: Cross multiply
    51,495.89x = 77,151.56 × 18,194.71
  4. Step 4: Simplify right side
    51,495.89x = 1,403,750,375.13
  5. Step 5: Solve for x
    x = 1,403,750,375.13/51,495.89
  6. Step 6: Final answer
    x = 27,259.47

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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.