Home / 31,247.08-43,141.09-27,884.11

Finding the Fourth Proportional to 31,247.08, 43,141.09 and 27,884.11

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Solution

The fourth proportional to 31,247.08, 43,141.09 and 27,884.11 is: 38,498.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,247.08 : 43,141.09 = 27,884.11 : x
  2. Step 2: Convert to fraction form
    31,247.08/43,141.09 = 27,884.11/x
  3. Step 3: Cross multiply
    31,247.08x = 43,141.09 × 27,884.11
  4. Step 4: Simplify right side
    31,247.08x = 1,202,950,651.81
  5. Step 5: Solve for x
    x = 1,202,950,651.81/31,247.08
  6. Step 6: Final answer
    x = 38,498.02

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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.