Home / 38,168.09-52,669.35-21,171.66

Finding the Fourth Proportional to 38,168.09, 52,669.35 and 21,171.66

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Solution

The fourth proportional to 38,168.09, 52,669.35 and 21,171.66 is: 29,215.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,168.09 : 52,669.35 = 21,171.66 : x
  2. Step 2: Convert to fraction form
    38,168.09/52,669.35 = 21,171.66/x
  3. Step 3: Cross multiply
    38,168.09x = 52,669.35 × 21,171.66
  4. Step 4: Simplify right side
    38,168.09x = 1,115,097,570.62
  5. Step 5: Solve for x
    x = 1,115,097,570.62/38,168.09
  6. Step 6: Final answer
    x = 29,215.44

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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.