Home / 36,136.32-49,868.13-20,223.84

Finding the Fourth Proportional to 36,136.32, 49,868.13 and 20,223.84

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Solution

The fourth proportional to 36,136.32, 49,868.13 and 20,223.84 is: 27,908.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,136.32 : 49,868.13 = 20,223.84 : x
  2. Step 2: Convert to fraction form
    36,136.32/49,868.13 = 20,223.84/x
  3. Step 3: Cross multiply
    36,136.32x = 49,868.13 × 20,223.84
  4. Step 4: Simplify right side
    36,136.32x = 1,008,525,082.22
  5. Step 5: Solve for x
    x = 1,008,525,082.22/36,136.32
  6. Step 6: Final answer
    x = 27,908.90

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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.