Home / 49,272.50-67,996.11-28,051.76

Finding the Fourth Proportional to 49,272.50, 67,996.11 and 28,051.76

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Solution

The fourth proportional to 49,272.50, 67,996.11 and 28,051.76 is: 38,711.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,272.50 : 67,996.11 = 28,051.76 : x
  2. Step 2: Convert to fraction form
    49,272.50/67,996.11 = 28,051.76/x
  3. Step 3: Cross multiply
    49,272.50x = 67,996.11 × 28,051.76
  4. Step 4: Simplify right side
    49,272.50x = 1,907,410,418.39
  5. Step 5: Solve for x
    x = 1,907,410,418.39/49,272.50
  6. Step 6: Final answer
    x = 38,711.46

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1.5x scale

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.