Home / 29,558.11-40,790.30-16,129.66

Finding the Fourth Proportional to 29,558.11, 40,790.30 and 16,129.66

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Solution

The fourth proportional to 29,558.11, 40,790.30 and 16,129.66 is: 22,258.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,558.11 : 40,790.30 = 16,129.66 : x
  2. Step 2: Convert to fraction form
    29,558.11/40,790.30 = 16,129.66/x
  3. Step 3: Cross multiply
    29,558.11x = 40,790.30 × 16,129.66
  4. Step 4: Simplify right side
    29,558.11x = 657,933,589.65
  5. Step 5: Solve for x
    x = 657,933,589.65/29,558.11
  6. Step 6: Final answer
    x = 22,258.99

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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.