Home / 40,905.63-61,351.61-11,326.46

Finding the Fourth Proportional to 40,905.63, 61,351.61 and 11,326.46

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Solution

The fourth proportional to 40,905.63, 61,351.61 and 11,326.46 is: 16,987.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,905.63 : 61,351.61 = 11,326.46 : x
  2. Step 2: Convert to fraction form
    40,905.63/61,351.61 = 11,326.46/x
  3. Step 3: Cross multiply
    40,905.63x = 61,351.61 × 11,326.46
  4. Step 4: Simplify right side
    40,905.63x = 694,896,193.21
  5. Step 5: Solve for x
    x = 694,896,193.21/40,905.63
  6. Step 6: Final answer
    x = 16,987.79

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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.