Home / 45,242.24-67,867.44-11,961.92

Finding the Fourth Proportional to 45,242.24, 67,867.44 and 11,961.92

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Solution

The fourth proportional to 45,242.24, 67,867.44 and 11,961.92 is: 17,943.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,242.24 : 67,867.44 = 11,961.92 : x
  2. Step 2: Convert to fraction form
    45,242.24/67,867.44 = 11,961.92/x
  3. Step 3: Cross multiply
    45,242.24x = 67,867.44 × 11,961.92
  4. Step 4: Simplify right side
    45,242.24x = 811,824,887.88
  5. Step 5: Solve for x
    x = 811,824,887.88/45,242.24
  6. Step 6: Final answer
    x = 17,943.96

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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.