Home / 38,879.19-53,679.11-29,910.87

Finding the Fourth Proportional to 38,879.19, 53,679.11 and 29,910.87

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Solution

The fourth proportional to 38,879.19, 53,679.11 and 29,910.87 is: 41,296.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,879.19 : 53,679.11 = 29,910.87 : x
  2. Step 2: Convert to fraction form
    38,879.19/53,679.11 = 29,910.87/x
  3. Step 3: Cross multiply
    38,879.19x = 53,679.11 × 29,910.87
  4. Step 4: Simplify right side
    38,879.19x = 1,605,588,731.37
  5. Step 5: Solve for x
    x = 1,605,588,731.37/38,879.19
  6. Step 6: Final answer
    x = 41,296.87

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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.