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Finding the Fourth Proportional to 33,679.49, 46,478.02 and 18,572.68

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Solution

The fourth proportional to 33,679.49, 46,478.02 and 18,572.68 is: 25,630.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,679.49 : 46,478.02 = 18,572.68 : x
  2. Step 2: Convert to fraction form
    33,679.49/46,478.02 = 18,572.68/x
  3. Step 3: Cross multiply
    33,679.49x = 46,478.02 × 18,572.68
  4. Step 4: Simplify right side
    33,679.49x = 863,221,229.87
  5. Step 5: Solve for x
    x = 863,221,229.87/33,679.49
  6. Step 6: Final answer
    x = 25,630.48

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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.