Home / 40,812.96-61,211.54-11,223.26

Finding the Fourth Proportional to 40,812.96, 61,211.54 and 11,223.26

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Solution

The fourth proportional to 40,812.96, 61,211.54 and 11,223.26 is: 16,832.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,812.96 : 61,211.54 = 11,223.26 : x
  2. Step 2: Convert to fraction form
    40,812.96/61,211.54 = 11,223.26/x
  3. Step 3: Cross multiply
    40,812.96x = 61,211.54 × 11,223.26
  4. Step 4: Simplify right side
    40,812.96x = 686,992,666.25
  5. Step 5: Solve for x
    x = 686,992,666.25/40,812.96
  6. Step 6: Final answer
    x = 16,832.71

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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.