Home / 29,558.64-40,790.38-16,129.55

Finding the Fourth Proportional to 29,558.64, 40,790.38 and 16,129.55

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Solution

The fourth proportional to 29,558.64, 40,790.38 and 16,129.55 is: 22,258.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,558.64 : 40,790.38 = 16,129.55 : x
  2. Step 2: Convert to fraction form
    29,558.64/40,790.38 = 16,129.55/x
  3. Step 3: Cross multiply
    29,558.64x = 40,790.38 × 16,129.55
  4. Step 4: Simplify right side
    29,558.64x = 657,930,473.73
  5. Step 5: Solve for x
    x = 657,930,473.73/29,558.64
  6. Step 6: Final answer
    x = 22,258.48

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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.