Home / 29,181.13-43,778.68-12,541.37

Finding the Fourth Proportional to 29,181.13, 43,778.68 and 12,541.37

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Solution

The fourth proportional to 29,181.13, 43,778.68 and 12,541.37 is: 18,815.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,181.13 : 43,778.68 = 12,541.37 : x
  2. Step 2: Convert to fraction form
    29,181.13/43,778.68 = 12,541.37/x
  3. Step 3: Cross multiply
    29,181.13x = 43,778.68 × 12,541.37
  4. Step 4: Simplify right side
    29,181.13x = 549,044,373.74
  5. Step 5: Solve for x
    x = 549,044,373.74/29,181.13
  6. Step 6: Final answer
    x = 18,815.05

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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.