Home / 37,511.98-51,764.60-20,512.92

Finding the Fourth Proportional to 37,511.98, 51,764.60 and 20,512.92

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Solution

The fourth proportional to 37,511.98, 51,764.60 and 20,512.92 is: 28,306.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,511.98 : 51,764.60 = 20,512.92 : x
  2. Step 2: Convert to fraction form
    37,511.98/51,764.60 = 20,512.92/x
  3. Step 3: Cross multiply
    37,511.98x = 51,764.60 × 20,512.92
  4. Step 4: Simplify right side
    37,511.98x = 1,061,842,839.81
  5. Step 5: Solve for x
    x = 1,061,842,839.81/37,511.98
  6. Step 6: Final answer
    x = 28,306.77

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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.