Home / 45,227.50-67,844.51-11,947.13

Finding the Fourth Proportional to 45,227.50, 67,844.51 and 11,947.13

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Solution

The fourth proportional to 45,227.50, 67,844.51 and 11,947.13 is: 17,921.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,227.50 : 67,844.51 = 11,947.13 : x
  2. Step 2: Convert to fraction form
    45,227.50/67,844.51 = 11,947.13/x
  3. Step 3: Cross multiply
    45,227.50x = 67,844.51 × 11,947.13
  4. Step 4: Simplify right side
    45,227.50x = 810,547,180.76
  5. Step 5: Solve for x
    x = 810,547,180.76/45,227.50
  6. Step 6: Final answer
    x = 17,921.56

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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.