Home / 40,136.05-55,388.15-24,217.43

Finding the Fourth Proportional to 40,136.05, 55,388.15 and 24,217.43

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Solution

The fourth proportional to 40,136.05, 55,388.15 and 24,217.43 is: 33,420.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,136.05 : 55,388.15 = 24,217.43 : x
  2. Step 2: Convert to fraction form
    40,136.05/55,388.15 = 24,217.43/x
  3. Step 3: Cross multiply
    40,136.05x = 55,388.15 × 24,217.43
  4. Step 4: Simplify right side
    40,136.05x = 1,341,358,645.45
  5. Step 5: Solve for x
    x = 1,341,358,645.45/40,136.05
  6. Step 6: Final answer
    x = 33,420.30

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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.