Home / 29,385.66-40,550.96-16,639.54

Finding the Fourth Proportional to 29,385.66, 40,550.96 and 16,639.54

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Solution

The fourth proportional to 29,385.66, 40,550.96 and 16,639.54 is: 22,961.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,385.66 : 40,550.96 = 16,639.54 : x
  2. Step 2: Convert to fraction form
    29,385.66/40,550.96 = 16,639.54/x
  3. Step 3: Cross multiply
    29,385.66x = 40,550.96 × 16,639.54
  4. Step 4: Simplify right side
    29,385.66x = 674,749,184.83
  5. Step 5: Solve for x
    x = 674,749,184.83/29,385.66
  6. Step 6: Final answer
    x = 22,961.86

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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.