Home / 31,587.64-43,590.91-17,440.57

Finding the Fourth Proportional to 31,587.64, 43,590.91 and 17,440.57

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Solution

The fourth proportional to 31,587.64, 43,590.91 and 17,440.57 is: 24,067.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,587.64 : 43,590.91 = 17,440.57 : x
  2. Step 2: Convert to fraction form
    31,587.64/43,590.91 = 17,440.57/x
  3. Step 3: Cross multiply
    31,587.64x = 43,590.91 × 17,440.57
  4. Step 4: Simplify right side
    31,587.64x = 760,250,317.22
  5. Step 5: Solve for x
    x = 760,250,317.22/31,587.64
  6. Step 6: Final answer
    x = 24,067.97

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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.