Home / 38,395.62-52,990.29-21,401.42

Finding the Fourth Proportional to 38,395.62, 52,990.29 and 21,401.42

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Solution

The fourth proportional to 38,395.62, 52,990.29 and 21,401.42 is: 29,536.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,395.62 : 52,990.29 = 21,401.42 : x
  2. Step 2: Convert to fraction form
    38,395.62/52,990.29 = 21,401.42/x
  3. Step 3: Cross multiply
    38,395.62x = 52,990.29 × 21,401.42
  4. Step 4: Simplify right side
    38,395.62x = 1,134,067,187.26
  5. Step 5: Solve for x
    x = 1,134,067,187.26/38,395.62
  6. Step 6: Final answer
    x = 29,536.37

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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.