Home / 40,136.04-55,388.52-22,230.54

Finding the Fourth Proportional to 40,136.04, 55,388.52 and 22,230.54

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Solution

The fourth proportional to 40,136.04, 55,388.52 and 22,230.54 is: 30,678.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,136.04 : 55,388.52 = 22,230.54 : x
  2. Step 2: Convert to fraction form
    40,136.04/55,388.52 = 22,230.54/x
  3. Step 3: Cross multiply
    40,136.04x = 55,388.52 × 22,230.54
  4. Step 4: Simplify right side
    40,136.04x = 1,231,316,709.40
  5. Step 5: Solve for x
    x = 1,231,316,709.40/40,136.04
  6. Step 6: Final answer
    x = 30,678.58

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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.