Home / 38,170.74-52,675.27-21,175.02

Finding the Fourth Proportional to 38,170.74, 52,675.27 and 21,175.02

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Solution

The fourth proportional to 38,170.74, 52,675.27 and 21,175.02 is: 29,221.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,170.74 : 52,675.27 = 21,175.02 : x
  2. Step 2: Convert to fraction form
    38,170.74/52,675.27 = 21,175.02/x
  3. Step 3: Cross multiply
    38,170.74x = 52,675.27 × 21,175.02
  4. Step 4: Simplify right side
    38,170.74x = 1,115,399,895.76
  5. Step 5: Solve for x
    x = 1,115,399,895.76/38,170.74
  6. Step 6: Final answer
    x = 29,221.33

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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.