Home / 31,514.91-43,490.59-17,174.75

Finding the Fourth Proportional to 31,514.91, 43,490.59 and 17,174.75

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Solution

The fourth proportional to 31,514.91, 43,490.59 and 17,174.75 is: 23,701.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,514.91 : 43,490.59 = 17,174.75 : x
  2. Step 2: Convert to fraction form
    31,514.91/43,490.59 = 17,174.75/x
  3. Step 3: Cross multiply
    31,514.91x = 43,490.59 × 17,174.75
  4. Step 4: Simplify right side
    31,514.91x = 746,939,750.21
  5. Step 5: Solve for x
    x = 746,939,750.21/31,514.91
  6. Step 6: Final answer
    x = 23,701.15

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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.