Home / 38,239.48-52,764.78-21,469.24

Finding the Fourth Proportional to 38,239.48, 52,764.78 and 21,469.24

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Solution

The fourth proportional to 38,239.48, 52,764.78 and 21,469.24 is: 29,624.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,239.48 : 52,764.78 = 21,469.24 : x
  2. Step 2: Convert to fraction form
    38,239.48/52,764.78 = 21,469.24/x
  3. Step 3: Cross multiply
    38,239.48x = 52,764.78 × 21,469.24
  4. Step 4: Simplify right side
    38,239.48x = 1,132,819,725.37
  5. Step 5: Solve for x
    x = 1,132,819,725.37/38,239.48
  6. Step 6: Final answer
    x = 29,624.35

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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.