Home / 40,857.12-61,289.21-11,274.96

Finding the Fourth Proportional to 40,857.12, 61,289.21 and 11,274.96

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Solution

The fourth proportional to 40,857.12, 61,289.21 and 11,274.96 is: 16,913.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,857.12 : 61,289.21 = 11,274.96 : x
  2. Step 2: Convert to fraction form
    40,857.12/61,289.21 = 11,274.96/x
  3. Step 3: Cross multiply
    40,857.12x = 61,289.21 × 11,274.96
  4. Step 4: Simplify right side
    40,857.12x = 691,033,189.53
  5. Step 5: Solve for x
    x = 691,033,189.53/40,857.12
  6. Step 6: Final answer
    x = 16,913.41

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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.