Home / 29,037.66-40,057.22-18,972.00

Finding the Fourth Proportional to 29,037.66, 40,057.22 and 18,972.00

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Solution

The fourth proportional to 29,037.66, 40,057.22 and 18,972.00 is: 26,171.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,037.66 : 40,057.22 = 18,972.00 : x
  2. Step 2: Convert to fraction form
    29,037.66/40,057.22 = 18,972.00/x
  3. Step 3: Cross multiply
    29,037.66x = 40,057.22 × 18,972.00
  4. Step 4: Simplify right side
    29,037.66x = 759,965,485.93
  5. Step 5: Solve for x
    x = 759,965,485.93/29,037.66
  6. Step 6: Final answer
    x = 26,171.72

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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.