Home / 40,136.19-55,388.01-22,230.82

Finding the Fourth Proportional to 40,136.19, 55,388.01 and 22,230.82

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Solution

The fourth proportional to 40,136.19, 55,388.01 and 22,230.82 is: 30,678.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,136.19 : 55,388.01 = 22,230.82 : x
  2. Step 2: Convert to fraction form
    40,136.19/55,388.01 = 22,230.82/x
  3. Step 3: Cross multiply
    40,136.19x = 55,388.01 × 22,230.82
  4. Step 4: Simplify right side
    40,136.19x = 1,231,320,880.47
  5. Step 5: Solve for x
    x = 1,231,320,880.47/40,136.19
  6. Step 6: Final answer
    x = 30,678.57

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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.