Home / 29,085.89-40,136.43-16,338.42

Finding the Fourth Proportional to 29,085.89, 40,136.43 and 16,338.42

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Solution

The fourth proportional to 29,085.89, 40,136.43 and 16,338.42 is: 22,545.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,085.89 : 40,136.43 = 16,338.42 : x
  2. Step 2: Convert to fraction form
    29,085.89/40,136.43 = 16,338.42/x
  3. Step 3: Cross multiply
    29,085.89x = 40,136.43 × 16,338.42
  4. Step 4: Simplify right side
    29,085.89x = 655,765,850.64
  5. Step 5: Solve for x
    x = 655,765,850.64/29,085.89
  6. Step 6: Final answer
    x = 22,545.84

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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.