Home / 33,021.24-49,532.70-28,311.90

Finding the Fourth Proportional to 33,021.24, 49,532.70 and 28,311.90

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Solution

The fourth proportional to 33,021.24, 49,532.70 and 28,311.90 is: 42,468.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,021.24 : 49,532.70 = 28,311.90 : x
  2. Step 2: Convert to fraction form
    33,021.24/49,532.70 = 28,311.90/x
  3. Step 3: Cross multiply
    33,021.24x = 49,532.70 × 28,311.90
  4. Step 4: Simplify right side
    33,021.24x = 1,402,364,849.13
  5. Step 5: Solve for x
    x = 1,402,364,849.13/33,021.24
  6. Step 6: Final answer
    x = 42,468.57

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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.