Home / 38,224.45-52,747.99-21,229.78

Finding the Fourth Proportional to 38,224.45, 52,747.99 and 21,229.78

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Solution

The fourth proportional to 38,224.45, 52,747.99 and 21,229.78 is: 29,296.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,224.45 : 52,747.99 = 21,229.78 : x
  2. Step 2: Convert to fraction form
    38,224.45/52,747.99 = 21,229.78/x
  3. Step 3: Cross multiply
    38,224.45x = 52,747.99 × 21,229.78
  4. Step 4: Simplify right side
    38,224.45x = 1,119,828,223.14
  5. Step 5: Solve for x
    x = 1,119,828,223.14/38,224.45
  6. Step 6: Final answer
    x = 29,296.12

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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.