Home / 29,155.92-40,234.16-16,409.32

Finding the Fourth Proportional to 29,155.92, 40,234.16 and 16,409.32

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Solution

The fourth proportional to 29,155.92, 40,234.16 and 16,409.32 is: 22,644.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,155.92 : 40,234.16 = 16,409.32 : x
  2. Step 2: Convert to fraction form
    29,155.92/40,234.16 = 16,409.32/x
  3. Step 3: Cross multiply
    29,155.92x = 40,234.16 × 16,409.32
  4. Step 4: Simplify right side
    29,155.92x = 660,215,206.37
  5. Step 5: Solve for x
    x = 660,215,206.37/29,155.92
  6. Step 6: Final answer
    x = 22,644.29

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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.