Home / 29,821.30-41,149.86-16,390.36

Finding the Fourth Proportional to 29,821.30, 41,149.86 and 16,390.36

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Solution

The fourth proportional to 29,821.30, 41,149.86 and 16,390.36 is: 22,616.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,821.30 : 41,149.86 = 16,390.36 : x
  2. Step 2: Convert to fraction form
    29,821.30/41,149.86 = 16,390.36/x
  3. Step 3: Cross multiply
    29,821.30x = 41,149.86 × 16,390.36
  4. Step 4: Simplify right side
    29,821.30x = 674,461,019.35
  5. Step 5: Solve for x
    x = 674,461,019.35/29,821.30
  6. Step 6: Final answer
    x = 22,616.75

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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.