Home / 33,320.07-45,974.10-19,895.67

Finding the Fourth Proportional to 33,320.07, 45,974.10 and 19,895.67

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Solution

The fourth proportional to 33,320.07, 45,974.10 and 19,895.67 is: 27,451.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,320.07 : 45,974.10 = 19,895.67 : x
  2. Step 2: Convert to fraction form
    33,320.07/45,974.10 = 19,895.67/x
  3. Step 3: Cross multiply
    33,320.07x = 45,974.10 × 19,895.67
  4. Step 4: Simplify right side
    33,320.07x = 914,685,522.15
  5. Step 5: Solve for x
    x = 914,685,522.15/33,320.07
  6. Step 6: Final answer
    x = 27,451.49

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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.