Home / 33,136.65-45,728.77-18,029.42

Finding the Fourth Proportional to 33,136.65, 45,728.77 and 18,029.42

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Solution

The fourth proportional to 33,136.65, 45,728.77 and 18,029.42 is: 24,880.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,136.65 : 45,728.77 = 18,029.42 : x
  2. Step 2: Convert to fraction form
    33,136.65/45,728.77 = 18,029.42/x
  3. Step 3: Cross multiply
    33,136.65x = 45,728.77 × 18,029.42
  4. Step 4: Simplify right side
    33,136.65x = 824,463,337.27
  5. Step 5: Solve for x
    x = 824,463,337.27/33,136.65
  6. Step 6: Final answer
    x = 24,880.71

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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.