Home / 40,905.81-61,351.88-11,326.64

Finding the Fourth Proportional to 40,905.81, 61,351.88 and 11,326.64

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Solution

The fourth proportional to 40,905.81, 61,351.88 and 11,326.64 is: 16,988.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,905.81 : 61,351.88 = 11,326.64 : x
  2. Step 2: Convert to fraction form
    40,905.81/61,351.88 = 11,326.64/x
  3. Step 3: Cross multiply
    40,905.81x = 61,351.88 × 11,326.64
  4. Step 4: Simplify right side
    40,905.81x = 694,910,337.17
  5. Step 5: Solve for x
    x = 694,910,337.17/40,905.81
  6. Step 6: Final answer
    x = 16,988.06

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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.