Home / 38,170.12-52,675.08-21,175.48

Finding the Fourth Proportional to 38,170.12, 52,675.08 and 21,175.48

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Solution

The fourth proportional to 38,170.12, 52,675.08 and 21,175.48 is: 29,222.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,170.12 : 52,675.08 = 21,175.48 : x
  2. Step 2: Convert to fraction form
    38,170.12/52,675.08 = 21,175.48/x
  3. Step 3: Cross multiply
    38,170.12x = 52,675.08 × 21,175.48
  4. Step 4: Simplify right side
    38,170.12x = 1,115,419,839.66
  5. Step 5: Solve for x
    x = 1,115,419,839.66/38,170.12
  6. Step 6: Final answer
    x = 29,222.33

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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.