Home / 49,212.39-73,822.98-21,126.12

Finding the Fourth Proportional to 49,212.39, 73,822.98 and 21,126.12

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Solution

The fourth proportional to 49,212.39, 73,822.98 and 21,126.12 is: 31,691.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,212.39 : 73,822.98 = 21,126.12 : x
  2. Step 2: Convert to fraction form
    49,212.39/73,822.98 = 21,126.12/x
  3. Step 3: Cross multiply
    49,212.39x = 73,822.98 × 21,126.12
  4. Step 4: Simplify right side
    49,212.39x = 1,559,593,134.24
  5. Step 5: Solve for x
    x = 1,559,593,134.24/49,212.39
  6. Step 6: Final answer
    x = 31,691.07

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1.5x scale

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.