Home / 40,960.76-61,402.86-22,213.31

Finding the Fourth Proportional to 40,960.76, 61,402.86 and 22,213.31

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Solution

The fourth proportional to 40,960.76, 61,402.86 and 22,213.31 is: 33,299.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,960.76 : 61,402.86 = 22,213.31 : x
  2. Step 2: Convert to fraction form
    40,960.76/61,402.86 = 22,213.31/x
  3. Step 3: Cross multiply
    40,960.76x = 61,402.86 × 22,213.31
  4. Step 4: Simplify right side
    40,960.76x = 1,363,960,457.05
  5. Step 5: Solve for x
    x = 1,363,960,457.05/40,960.76
  6. Step 6: Final answer
    x = 33,299.20

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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.