Home / 28,881.33-43,319.05-19,581.11

Finding the Fourth Proportional to 28,881.33, 43,319.05 and 19,581.11

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Solution

The fourth proportional to 28,881.33, 43,319.05 and 19,581.11 is: 29,369.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,881.33 : 43,319.05 = 19,581.11 : x
  2. Step 2: Convert to fraction form
    28,881.33/43,319.05 = 19,581.11/x
  3. Step 3: Cross multiply
    28,881.33x = 43,319.05 × 19,581.11
  4. Step 4: Simplify right side
    28,881.33x = 848,235,083.15
  5. Step 5: Solve for x
    x = 848,235,083.15/28,881.33
  6. Step 6: Final answer
    x = 29,369.67

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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.