Home / 38,163.36-52,665.80-21,169.27

Finding the Fourth Proportional to 38,163.36, 52,665.80 and 21,169.27

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Solution

The fourth proportional to 38,163.36, 52,665.80 and 21,169.27 is: 29,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,163.36 : 52,665.80 = 21,169.27 : x
  2. Step 2: Convert to fraction form
    38,163.36/52,665.80 = 21,169.27/x
  3. Step 3: Cross multiply
    38,163.36x = 52,665.80 × 21,169.27
  4. Step 4: Simplify right side
    38,163.36x = 1,114,896,434.12
  5. Step 5: Solve for x
    x = 1,114,896,434.12/38,163.36
  6. Step 6: Final answer
    x = 29,213.80

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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.