Home / 33,265.50-45,906.36-21,328.80

Finding the Fourth Proportional to 33,265.50, 45,906.36 and 21,328.80

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Solution

The fourth proportional to 33,265.50, 45,906.36 and 21,328.80 is: 29,433.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,265.50 : 45,906.36 = 21,328.80 : x
  2. Step 2: Convert to fraction form
    33,265.50/45,906.36 = 21,328.80/x
  3. Step 3: Cross multiply
    33,265.50x = 45,906.36 × 21,328.80
  4. Step 4: Simplify right side
    33,265.50x = 979,127,571.17
  5. Step 5: Solve for x
    x = 979,127,571.17/33,265.50
  6. Step 6: Final answer
    x = 29,433.72

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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.