Home / 51,196.87-76,829.90-17,917.22

Finding the Fourth Proportional to 51,196.87, 76,829.90 and 17,917.22

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Solution

The fourth proportional to 51,196.87, 76,829.90 and 17,917.22 is: 26,887.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,196.87 : 76,829.90 = 17,917.22 : x
  2. Step 2: Convert to fraction form
    51,196.87/76,829.90 = 17,917.22/x
  3. Step 3: Cross multiply
    51,196.87x = 76,829.90 × 17,917.22
  4. Step 4: Simplify right side
    51,196.87x = 1,376,578,131.29
  5. Step 5: Solve for x
    x = 1,376,578,131.29/51,196.87
  6. Step 6: Final answer
    x = 26,887.94

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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.