Home / 45,227.88-67,845.07-11,947.51

Finding the Fourth Proportional to 45,227.88, 67,845.07 and 11,947.51

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Solution

The fourth proportional to 45,227.88, 67,845.07 and 11,947.51 is: 17,922.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,227.88 : 67,845.07 = 11,947.51 : x
  2. Step 2: Convert to fraction form
    45,227.88/67,845.07 = 11,947.51/x
  3. Step 3: Cross multiply
    45,227.88x = 67,845.07 × 11,947.51
  4. Step 4: Simplify right side
    45,227.88x = 810,579,652.28
  5. Step 5: Solve for x
    x = 810,579,652.28/45,227.88
  6. Step 6: Final answer
    x = 17,922.12

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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.