Home / 51,579.88-71,186.14-28,924.98

Finding the Fourth Proportional to 51,579.88, 71,186.14 and 28,924.98

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Solution

The fourth proportional to 51,579.88, 71,186.14 and 28,924.98 is: 39,919.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,579.88 : 71,186.14 = 28,924.98 : x
  2. Step 2: Convert to fraction form
    51,579.88/71,186.14 = 28,924.98/x
  3. Step 3: Cross multiply
    51,579.88x = 71,186.14 × 28,924.98
  4. Step 4: Simplify right side
    51,579.88x = 2,059,057,675.78
  5. Step 5: Solve for x
    x = 2,059,057,675.78/51,579.88
  6. Step 6: Final answer
    x = 39,919.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.