Home / 29,558.15-40,789.69-16,129.05

Finding the Fourth Proportional to 29,558.15, 40,789.69 and 16,129.05

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Solution

The fourth proportional to 29,558.15, 40,789.69 and 16,129.05 is: 22,257.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,558.15 : 40,789.69 = 16,129.05 : x
  2. Step 2: Convert to fraction form
    29,558.15/40,789.69 = 16,129.05/x
  3. Step 3: Cross multiply
    29,558.15x = 40,789.69 × 16,129.05
  4. Step 4: Simplify right side
    29,558.15x = 657,898,949.49
  5. Step 5: Solve for x
    x = 657,898,949.49/29,558.15
  6. Step 6: Final answer
    x = 22,257.79

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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.