Home / 29,122.68-40,190.94-22,036.80

Finding the Fourth Proportional to 29,122.68, 40,190.94 and 22,036.80

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Solution

The fourth proportional to 29,122.68, 40,190.94 and 22,036.80 is: 30,412.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,122.68 : 40,190.94 = 22,036.80 : x
  2. Step 2: Convert to fraction form
    29,122.68/40,190.94 = 22,036.80/x
  3. Step 3: Cross multiply
    29,122.68x = 40,190.94 × 22,036.80
  4. Step 4: Simplify right side
    29,122.68x = 885,679,706.59
  5. Step 5: Solve for x
    x = 885,679,706.59/29,122.68
  6. Step 6: Final answer
    x = 30,412.03

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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.