Home / 38,365.38-52,943.42-21,369.58

Finding the Fourth Proportional to 38,365.38, 52,943.42 and 21,369.58

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Solution

The fourth proportional to 38,365.38, 52,943.42 and 21,369.58 is: 29,489.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,365.38 : 52,943.42 = 21,369.58 : x
  2. Step 2: Convert to fraction form
    38,365.38/52,943.42 = 21,369.58/x
  3. Step 3: Cross multiply
    38,365.38x = 52,943.42 × 21,369.58
  4. Step 4: Simplify right side
    38,365.38x = 1,131,378,649.16
  5. Step 5: Solve for x
    x = 1,131,378,649.16/38,365.38
  6. Step 6: Final answer
    x = 29,489.57

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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.