Home / 29,728.40-41,052.96-19,136.42

Finding the Fourth Proportional to 29,728.40, 41,052.96 and 19,136.42

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Solution

The fourth proportional to 29,728.40, 41,052.96 and 19,136.42 is: 26,426.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,728.40 : 41,052.96 = 19,136.42 : x
  2. Step 2: Convert to fraction form
    29,728.40/41,052.96 = 19,136.42/x
  3. Step 3: Cross multiply
    29,728.40x = 41,052.96 × 19,136.42
  4. Step 4: Simplify right side
    29,728.40x = 785,606,684.80
  5. Step 5: Solve for x
    x = 785,606,684.80/29,728.40
  6. Step 6: Final answer
    x = 26,426.13

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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.