Home / 31,288.36-43,181.04-17,861.64

Finding the Fourth Proportional to 31,288.36, 43,181.04 and 17,861.64

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Solution

The fourth proportional to 31,288.36, 43,181.04 and 17,861.64 is: 24,650.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,288.36 : 43,181.04 = 17,861.64 : x
  2. Step 2: Convert to fraction form
    31,288.36/43,181.04 = 17,861.64/x
  3. Step 3: Cross multiply
    31,288.36x = 43,181.04 × 17,861.64
  4. Step 4: Simplify right side
    31,288.36x = 771,284,191.31
  5. Step 5: Solve for x
    x = 771,284,191.31/31,288.36
  6. Step 6: Final answer
    x = 24,650.83

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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.