Home / 31,587.36-43,590.57-17,440.32

Finding the Fourth Proportional to 31,587.36, 43,590.57 and 17,440.32

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Solution

The fourth proportional to 31,587.36, 43,590.57 and 17,440.32 is: 24,067.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,587.36 : 43,590.57 = 17,440.32 : x
  2. Step 2: Convert to fraction form
    31,587.36/43,590.57 = 17,440.32/x
  3. Step 3: Cross multiply
    31,587.36x = 43,590.57 × 17,440.32
  4. Step 4: Simplify right side
    31,587.36x = 760,233,489.78
  5. Step 5: Solve for x
    x = 760,233,489.78/31,587.36
  6. Step 6: Final answer
    x = 24,067.65

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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.