Home / 33,126.71-45,715.19-18,019.73

Finding the Fourth Proportional to 33,126.71, 45,715.19 and 18,019.73

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Solution

The fourth proportional to 33,126.71, 45,715.19 and 18,019.73 is: 24,867.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,126.71 : 45,715.19 = 18,019.73 : x
  2. Step 2: Convert to fraction form
    33,126.71/45,715.19 = 18,019.73/x
  3. Step 3: Cross multiply
    33,126.71x = 45,715.19 × 18,019.73
  4. Step 4: Simplify right side
    33,126.71x = 823,775,404.89
  5. Step 5: Solve for x
    x = 823,775,404.89/33,126.71
  6. Step 6: Final answer
    x = 24,867.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.