Home / 33,074.92-45,655.14-21,900.52

Finding the Fourth Proportional to 33,074.92, 45,655.14 and 21,900.52

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Solution

The fourth proportional to 33,074.92, 45,655.14 and 21,900.52 is: 30,230.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,074.92 : 45,655.14 = 21,900.52 : x
  2. Step 2: Convert to fraction form
    33,074.92/45,655.14 = 21,900.52/x
  3. Step 3: Cross multiply
    33,074.92x = 45,655.14 × 21,900.52
  4. Step 4: Simplify right side
    33,074.92x = 999,871,306.67
  5. Step 5: Solve for x
    x = 999,871,306.67/33,074.92
  6. Step 6: Final answer
    x = 30,230.50

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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.