Home / 29,108.13-43,587.99-19,217.22

Finding the Fourth Proportional to 29,108.13, 43,587.99 and 19,217.22

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Solution

The fourth proportional to 29,108.13, 43,587.99 and 19,217.22 is: 28,776.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,108.13 : 43,587.99 = 19,217.22 : x
  2. Step 2: Convert to fraction form
    29,108.13/43,587.99 = 19,217.22/x
  3. Step 3: Cross multiply
    29,108.13x = 43,587.99 × 19,217.22
  4. Step 4: Simplify right side
    29,108.13x = 837,639,993.19
  5. Step 5: Solve for x
    x = 837,639,993.19/29,108.13
  6. Step 6: Final answer
    x = 28,776.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.