Home / 38,223.60-52,738.20-21,456.24

Finding the Fourth Proportional to 38,223.60, 52,738.20 and 21,456.24

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Solution

The fourth proportional to 38,223.60, 52,738.20 and 21,456.24 is: 29,603.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,223.60 : 52,738.20 = 21,456.24 : x
  2. Step 2: Convert to fraction form
    38,223.60/52,738.20 = 21,456.24/x
  3. Step 3: Cross multiply
    38,223.60x = 52,738.20 × 21,456.24
  4. Step 4: Simplify right side
    38,223.60x = 1,131,563,476.37
  5. Step 5: Solve for x
    x = 1,131,563,476.37/38,223.60
  6. Step 6: Final answer
    x = 29,603.79

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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.