Home / 29,531.72-40,757.23-16,786.81

Finding the Fourth Proportional to 29,531.72, 40,757.23 and 16,786.81

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Solution

The fourth proportional to 29,531.72, 40,757.23 and 16,786.81 is: 23,167.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,531.72 : 40,757.23 = 16,786.81 : x
  2. Step 2: Convert to fraction form
    29,531.72/40,757.23 = 16,786.81/x
  3. Step 3: Cross multiply
    29,531.72x = 40,757.23 × 16,786.81
  4. Step 4: Simplify right side
    29,531.72x = 684,183,853.64
  5. Step 5: Solve for x
    x = 684,183,853.64/29,531.72
  6. Step 6: Final answer
    x = 23,167.76

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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.