Home / 40,136.64-55,388.56-22,232.80

Finding the Fourth Proportional to 40,136.64, 55,388.56 and 22,232.80

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Solution

The fourth proportional to 40,136.64, 55,388.56 and 22,232.80 is: 30,681.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,136.64 : 55,388.56 = 22,232.80 : x
  2. Step 2: Convert to fraction form
    40,136.64/55,388.56 = 22,232.80/x
  3. Step 3: Cross multiply
    40,136.64x = 55,388.56 × 22,232.80
  4. Step 4: Simplify right side
    40,136.64x = 1,231,442,665.60
  5. Step 5: Solve for x
    x = 1,231,442,665.60/40,136.64
  6. Step 6: Final answer
    x = 30,681.26

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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.