Home / 38,440.21-53,052.76-22,531

Finding the Fourth Proportional to 38,440.21, 53,052.76 and 22,531

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Solution

The fourth proportional to 38,440.21, 53,052.76 and 22,531 is: 31,095.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,440.21 : 53,052.76 = 22,531 : x
  2. Step 2: Convert to fraction form
    38,440.21/53,052.76 = 22,531/x
  3. Step 3: Cross multiply
    38,440.21x = 53,052.76 × 22,531
  4. Step 4: Simplify right side
    38,440.21x = 1,195,331,735.56
  5. Step 5: Solve for x
    x = 1,195,331,735.56/38,440.21
  6. Step 6: Final answer
    x = 31,095.87

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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.