Home / 31,175.09-43,023.82-17,746.35

Finding the Fourth Proportional to 31,175.09, 43,023.82 and 17,746.35

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Solution

The fourth proportional to 31,175.09, 43,023.82 and 17,746.35 is: 24,491.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,175.09 : 43,023.82 = 17,746.35 : x
  2. Step 2: Convert to fraction form
    31,175.09/43,023.82 = 17,746.35/x
  3. Step 3: Cross multiply
    31,175.09x = 43,023.82 × 17,746.35
  4. Step 4: Simplify right side
    31,175.09x = 763,515,464.21
  5. Step 5: Solve for x
    x = 763,515,464.21/31,175.09
  6. Step 6: Final answer
    x = 24,491.21

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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.