Home / 33,269.11-45,911.48-21,332.50

Finding the Fourth Proportional to 33,269.11, 45,911.48 and 21,332.50

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Solution

The fourth proportional to 33,269.11, 45,911.48 and 21,332.50 is: 29,438.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,269.11 : 45,911.48 = 21,332.50 : x
  2. Step 2: Convert to fraction form
    33,269.11/45,911.48 = 21,332.50/x
  3. Step 3: Cross multiply
    33,269.11x = 45,911.48 × 21,332.50
  4. Step 4: Simplify right side
    33,269.11x = 979,406,399.57
  5. Step 5: Solve for x
    x = 979,406,399.57/33,269.11
  6. Step 6: Final answer
    x = 29,438.91

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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.