Home / 29,136.15-40,200.93-21,164.49

Finding the Fourth Proportional to 29,136.15, 40,200.93 and 21,164.49

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Solution

The fourth proportional to 29,136.15, 40,200.93 and 21,164.49 is: 29,201.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,136.15 : 40,200.93 = 21,164.49 : x
  2. Step 2: Convert to fraction form
    29,136.15/40,200.93 = 21,164.49/x
  3. Step 3: Cross multiply
    29,136.15x = 40,200.93 × 21,164.49
  4. Step 4: Simplify right side
    29,136.15x = 850,832,180.98
  5. Step 5: Solve for x
    x = 850,832,180.98/29,136.15
  6. Step 6: Final answer
    x = 29,201.94

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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.