Home / 29,620.13-40,874.63-16,191.90

Finding the Fourth Proportional to 29,620.13, 40,874.63 and 16,191.90

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Solution

The fourth proportional to 29,620.13, 40,874.63 and 16,191.90 is: 22,344.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,620.13 : 40,874.63 = 16,191.90 : x
  2. Step 2: Convert to fraction form
    29,620.13/40,874.63 = 16,191.90/x
  3. Step 3: Cross multiply
    29,620.13x = 40,874.63 × 16,191.90
  4. Step 4: Simplify right side
    29,620.13x = 661,837,840.54
  5. Step 5: Solve for x
    x = 661,837,840.54/29,620.13
  6. Step 6: Final answer
    x = 22,344.19

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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.