Home / 31,767.11-43,837.49-17,621.27

Finding the Fourth Proportional to 31,767.11, 43,837.49 and 17,621.27

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Solution

The fourth proportional to 31,767.11, 43,837.49 and 17,621.27 is: 24,316.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,767.11 : 43,837.49 = 17,621.27 : x
  2. Step 2: Convert to fraction form
    31,767.11/43,837.49 = 17,621.27/x
  3. Step 3: Cross multiply
    31,767.11x = 43,837.49 × 17,621.27
  4. Step 4: Simplify right side
    31,767.11x = 772,471,940.12
  5. Step 5: Solve for x
    x = 772,471,940.12/31,767.11
  6. Step 6: Final answer
    x = 24,316.72

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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.