Home / 51,215.71-76,820.82-15,677.05

Finding the Fourth Proportional to 51,215.71, 76,820.82 and 15,677.05

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Solution

The fourth proportional to 51,215.71, 76,820.82 and 15,677.05 is: 23,514.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,215.71 : 76,820.82 = 15,677.05 : x
  2. Step 2: Convert to fraction form
    51,215.71/76,820.82 = 15,677.05/x
  3. Step 3: Cross multiply
    51,215.71x = 76,820.82 × 15,677.05
  4. Step 4: Simplify right side
    51,215.71x = 1,204,323,581.20
  5. Step 5: Solve for x
    x = 1,204,323,581.20/51,215.71
  6. Step 6: Final answer
    x = 23,514.73

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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.