Home / 31,665.64-43,697.38-17,519.08

Finding the Fourth Proportional to 31,665.64, 43,697.38 and 17,519.08

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Solution

The fourth proportional to 31,665.64, 43,697.38 and 17,519.08 is: 24,175.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,665.64 : 43,697.38 = 17,519.08 : x
  2. Step 2: Convert to fraction form
    31,665.64/43,697.38 = 17,519.08/x
  3. Step 3: Cross multiply
    31,665.64x = 43,697.38 × 17,519.08
  4. Step 4: Simplify right side
    31,665.64x = 765,537,896.01
  5. Step 5: Solve for x
    x = 765,537,896.01/31,665.64
  6. Step 6: Final answer
    x = 24,175.66

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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.