Home / 40,821.92-61,223.56-11,242.34

Finding the Fourth Proportional to 40,821.92, 61,223.56 and 11,242.34

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Solution

The fourth proportional to 40,821.92, 61,223.56 and 11,242.34 is: 16,860.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,821.92 : 61,223.56 = 11,242.34 : x
  2. Step 2: Convert to fraction form
    40,821.92/61,223.56 = 11,242.34/x
  3. Step 3: Cross multiply
    40,821.92x = 61,223.56 × 11,242.34
  4. Step 4: Simplify right side
    40,821.92x = 688,295,743.31
  5. Step 5: Solve for x
    x = 688,295,743.31/40,821.92
  6. Step 6: Final answer
    x = 16,860.94

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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.