Home / 38,186.27-52,695.68-21,191.26

Finding the Fourth Proportional to 38,186.27, 52,695.68 and 21,191.26

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Solution

The fourth proportional to 38,186.27, 52,695.68 and 21,191.26 is: 29,243.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,186.27 : 52,695.68 = 21,191.26 : x
  2. Step 2: Convert to fraction form
    38,186.27/52,695.68 = 21,191.26/x
  3. Step 3: Cross multiply
    38,186.27x = 52,695.68 × 21,191.26
  4. Step 4: Simplify right side
    38,186.27x = 1,116,687,855.76
  5. Step 5: Solve for x
    x = 1,116,687,855.76/38,186.27
  6. Step 6: Final answer
    x = 29,243.18

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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.