Home / 31,175.38-43,022.08-17,746.64

Finding the Fourth Proportional to 31,175.38, 43,022.08 and 17,746.64

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Solution

The fourth proportional to 31,175.38, 43,022.08 and 17,746.64 is: 24,490.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,175.38 : 43,022.08 = 17,746.64 : x
  2. Step 2: Convert to fraction form
    31,175.38/43,022.08 = 17,746.64/x
  3. Step 3: Cross multiply
    31,175.38x = 43,022.08 × 17,746.64
  4. Step 4: Simplify right side
    31,175.38x = 763,497,334.22
  5. Step 5: Solve for x
    x = 763,497,334.22/31,175.38
  6. Step 6: Final answer
    x = 24,490.39

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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.