Home / 40,496.40-60,744.24-10,911.78

Finding the Fourth Proportional to 40,496.40, 60,744.24 and 10,911.78

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Solution

The fourth proportional to 40,496.40, 60,744.24 and 10,911.78 is: 16,367.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,496.40 : 60,744.24 = 10,911.78 : x
  2. Step 2: Convert to fraction form
    40,496.40/60,744.24 = 10,911.78/x
  3. Step 3: Cross multiply
    40,496.40x = 60,744.24 × 10,911.78
  4. Step 4: Simplify right side
    40,496.40x = 662,827,783.15
  5. Step 5: Solve for x
    x = 662,827,783.15/40,496.40
  6. Step 6: Final answer
    x = 16,367.57

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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.