Home / 38,307.97-52,871.28-22,389.31

Finding the Fourth Proportional to 38,307.97, 52,871.28 and 22,389.31

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Solution

The fourth proportional to 38,307.97, 52,871.28 and 22,389.31 is: 30,900.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,307.97 : 52,871.28 = 22,389.31 : x
  2. Step 2: Convert to fraction form
    38,307.97/52,871.28 = 22,389.31/x
  3. Step 3: Cross multiply
    38,307.97x = 52,871.28 × 22,389.31
  4. Step 4: Simplify right side
    38,307.97x = 1,183,751,213.66
  5. Step 5: Solve for x
    x = 1,183,751,213.66/38,307.97
  6. Step 6: Final answer
    x = 30,900.92

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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.