Home / 36,012.97-53,971.66-19,142.43

Finding the Fourth Proportional to 36,012.97, 53,971.66 and 19,142.43

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Solution

The fourth proportional to 36,012.97, 53,971.66 and 19,142.43 is: 28,688.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,012.97 : 53,971.66 = 19,142.43 : x
  2. Step 2: Convert to fraction form
    36,012.97/53,971.66 = 19,142.43/x
  3. Step 3: Cross multiply
    36,012.97x = 53,971.66 × 19,142.43
  4. Step 4: Simplify right side
    36,012.97x = 1,033,148,723.53
  5. Step 5: Solve for x
    x = 1,033,148,723.53/36,012.97
  6. Step 6: Final answer
    x = 28,688.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.