Home / 38,101.92-52,586.16-21,336

Finding the Fourth Proportional to 38,101.92, 52,586.16 and 21,336

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Solution

The fourth proportional to 38,101.92, 52,586.16 and 21,336 is: 29,446.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,101.92 : 52,586.16 = 21,336 : x
  2. Step 2: Convert to fraction form
    38,101.92/52,586.16 = 21,336/x
  3. Step 3: Cross multiply
    38,101.92x = 52,586.16 × 21,336
  4. Step 4: Simplify right side
    38,101.92x = 1,121,978,309.76
  5. Step 5: Solve for x
    x = 1,121,978,309.76/38,101.92
  6. Step 6: Final answer
    x = 29,446.77

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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.