Home / 33,136.47-45,727.11-18,028.53

Finding the Fourth Proportional to 33,136.47, 45,727.11 and 18,028.53

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Solution

The fourth proportional to 33,136.47, 45,727.11 and 18,028.53 is: 24,878.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,136.47 : 45,727.11 = 18,028.53 : x
  2. Step 2: Convert to fraction form
    33,136.47/45,727.11 = 18,028.53/x
  3. Step 3: Cross multiply
    33,136.47x = 45,727.11 × 18,028.53
  4. Step 4: Simplify right side
    33,136.47x = 824,392,574.45
  5. Step 5: Solve for x
    x = 824,392,574.45/33,136.47
  6. Step 6: Final answer
    x = 24,878.71

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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.