Home / 29,005.78-40,047.24-22,279.37

Finding the Fourth Proportional to 29,005.78, 40,047.24 and 22,279.37

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Solution

The fourth proportional to 29,005.78, 40,047.24 and 22,279.37 is: 30,760.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,005.78 : 40,047.24 = 22,279.37 : x
  2. Step 2: Convert to fraction form
    29,005.78/40,047.24 = 22,279.37/x
  3. Step 3: Cross multiply
    29,005.78x = 40,047.24 × 22,279.37
  4. Step 4: Simplify right side
    29,005.78x = 892,227,277.44
  5. Step 5: Solve for x
    x = 892,227,277.44/29,005.78
  6. Step 6: Final answer
    x = 30,760.33

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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.