Home / 33,217.71-49,850.25-18,438.45

Finding the Fourth Proportional to 33,217.71, 49,850.25 and 18,438.45

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Solution

The fourth proportional to 33,217.71, 49,850.25 and 18,438.45 is: 27,670.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,217.71 : 49,850.25 = 18,438.45 : x
  2. Step 2: Convert to fraction form
    33,217.71/49,850.25 = 18,438.45/x
  3. Step 3: Cross multiply
    33,217.71x = 49,850.25 × 18,438.45
  4. Step 4: Simplify right side
    33,217.71x = 919,161,342.11
  5. Step 5: Solve for x
    x = 919,161,342.11/33,217.71
  6. Step 6: Final answer
    x = 27,670.82

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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.