Home / 31,588.20-43,590.58-17,440.74

Finding the Fourth Proportional to 31,588.20, 43,590.58 and 17,440.74

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Solution

The fourth proportional to 31,588.20, 43,590.58 and 17,440.74 is: 24,067.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,588.20 : 43,590.58 = 17,440.74 : x
  2. Step 2: Convert to fraction form
    31,588.20/43,590.58 = 17,440.74/x
  3. Step 3: Cross multiply
    31,588.20x = 43,590.58 × 17,440.74
  4. Step 4: Simplify right side
    31,588.20x = 760,251,939.51
  5. Step 5: Solve for x
    x = 760,251,939.51/31,588.20
  6. Step 6: Final answer
    x = 24,067.59

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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.