Home / 51,342.39-76,980.63-21,377.39

Finding the Fourth Proportional to 51,342.39, 76,980.63 and 21,377.39

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Solution

The fourth proportional to 51,342.39, 76,980.63 and 21,377.39 is: 32,052.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,342.39 : 76,980.63 = 21,377.39 : x
  2. Step 2: Convert to fraction form
    51,342.39/76,980.63 = 21,377.39/x
  3. Step 3: Cross multiply
    51,342.39x = 76,980.63 × 21,377.39
  4. Step 4: Simplify right side
    51,342.39x = 1,645,644,524.97
  5. Step 5: Solve for x
    x = 1,645,644,524.97/51,342.39
  6. Step 6: Final answer
    x = 32,052.36

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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.