Home / 45,213.06-67,811.85-11,933.49

Finding the Fourth Proportional to 45,213.06, 67,811.85 and 11,933.49

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Solution

The fourth proportional to 45,213.06, 67,811.85 and 11,933.49 is: 17,898.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,213.06 : 67,811.85 = 11,933.49 : x
  2. Step 2: Convert to fraction form
    45,213.06/67,811.85 = 11,933.49/x
  3. Step 3: Cross multiply
    45,213.06x = 67,811.85 × 11,933.49
  4. Step 4: Simplify right side
    45,213.06x = 809,232,033.86
  5. Step 5: Solve for x
    x = 809,232,033.86/45,213.06
  6. Step 6: Final answer
    x = 17,898.19

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1.5x scale

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.