Home / 31,316.72-43,183.32-23,776.88

Finding the Fourth Proportional to 31,316.72, 43,183.32 and 23,776.88

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Solution

The fourth proportional to 31,316.72, 43,183.32 and 23,776.88 is: 32,786.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,316.72 : 43,183.32 = 23,776.88 : x
  2. Step 2: Convert to fraction form
    31,316.72/43,183.32 = 23,776.88/x
  3. Step 3: Cross multiply
    31,316.72x = 43,183.32 × 23,776.88
  4. Step 4: Simplify right side
    31,316.72x = 1,026,764,617.64
  5. Step 5: Solve for x
    x = 1,026,764,617.64/31,316.72
  6. Step 6: Final answer
    x = 32,786.47

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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.