Home / 29,544.72-40,761.42-18,940.20

Finding the Fourth Proportional to 29,544.72, 40,761.42 and 18,940.20

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Solution

The fourth proportional to 29,544.72, 40,761.42 and 18,940.20 is: 26,130.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,544.72 : 40,761.42 = 18,940.20 : x
  2. Step 2: Convert to fraction form
    29,544.72/40,761.42 = 18,940.20/x
  3. Step 3: Cross multiply
    29,544.72x = 40,761.42 × 18,940.20
  4. Step 4: Simplify right side
    29,544.72x = 772,029,447.08
  5. Step 5: Solve for x
    x = 772,029,447.08/29,544.72
  6. Step 6: Final answer
    x = 26,130.88

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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.