Home / 51,278.78-76,927.20-17,536.86

Finding the Fourth Proportional to 51,278.78, 76,927.20 and 17,536.86

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Solution

The fourth proportional to 51,278.78, 76,927.20 and 17,536.86 is: 26,308.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,278.78 : 76,927.20 = 17,536.86 : x
  2. Step 2: Convert to fraction form
    51,278.78/76,927.20 = 17,536.86/x
  3. Step 3: Cross multiply
    51,278.78x = 76,927.20 × 17,536.86
  4. Step 4: Simplify right side
    51,278.78x = 1,349,061,759.31
  5. Step 5: Solve for x
    x = 1,349,061,759.31/51,278.78
  6. Step 6: Final answer
    x = 26,308.38

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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.