Home / 29,331.30-43,979.22-11,540.64

Finding the Fourth Proportional to 29,331.30, 43,979.22 and 11,540.64

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Solution

The fourth proportional to 29,331.30, 43,979.22 and 11,540.64 is: 17,303.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,331.30 : 43,979.22 = 11,540.64 : x
  2. Step 2: Convert to fraction form
    29,331.30/43,979.22 = 11,540.64/x
  3. Step 3: Cross multiply
    29,331.30x = 43,979.22 × 11,540.64
  4. Step 4: Simplify right side
    29,331.30x = 507,548,345.50
  5. Step 5: Solve for x
    x = 507,548,345.50/29,331.30
  6. Step 6: Final answer
    x = 17,303.98

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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.