Home / 50,864.31-76,159.78-28,644.39

Finding the Fourth Proportional to 50,864.31, 76,159.78 and 28,644.39

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Solution

The fourth proportional to 50,864.31, 76,159.78 and 28,644.39 is: 42,889.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,864.31 : 76,159.78 = 28,644.39 : x
  2. Step 2: Convert to fraction form
    50,864.31/76,159.78 = 28,644.39/x
  3. Step 3: Cross multiply
    50,864.31x = 76,159.78 × 28,644.39
  4. Step 4: Simplify right side
    50,864.31x = 2,181,550,369.02
  5. Step 5: Solve for x
    x = 2,181,550,369.02/50,864.31
  6. Step 6: Final answer
    x = 42,889.61

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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.