Home / 29,279.30-40,405.20-16,532.36

Finding the Fourth Proportional to 29,279.30, 40,405.20 and 16,532.36

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Solution

The fourth proportional to 29,279.30, 40,405.20 and 16,532.36 is: 22,814.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,279.30 : 40,405.20 = 16,532.36 : x
  2. Step 2: Convert to fraction form
    29,279.30/40,405.20 = 16,532.36/x
  3. Step 3: Cross multiply
    29,279.30x = 40,405.20 × 16,532.36
  4. Step 4: Simplify right side
    29,279.30x = 667,993,110.25
  5. Step 5: Solve for x
    x = 667,993,110.25/29,279.30
  6. Step 6: Final answer
    x = 22,814.52

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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.