Home / 51,216.78-76,859.69-17,937.14

Finding the Fourth Proportional to 51,216.78, 76,859.69 and 17,937.14

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Solution

The fourth proportional to 51,216.78, 76,859.69 and 17,937.14 is: 26,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,216.78 : 76,859.69 = 17,937.14 : x
  2. Step 2: Convert to fraction form
    51,216.78/76,859.69 = 17,937.14/x
  3. Step 3: Cross multiply
    51,216.78x = 76,859.69 × 17,937.14
  4. Step 4: Simplify right side
    51,216.78x = 1,378,643,019.89
  5. Step 5: Solve for x
    x = 1,378,643,019.89/51,216.78
  6. Step 6: Final answer
    x = 26,917.80

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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.