Home / 31,514.90-43,490.00-17,174.86

Finding the Fourth Proportional to 31,514.90, 43,490.00 and 17,174.86

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Solution

The fourth proportional to 31,514.90, 43,490.00 and 17,174.86 is: 23,701.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,514.90 : 43,490.00 = 17,174.86 : x
  2. Step 2: Convert to fraction form
    31,514.90/43,490.00 = 17,174.86/x
  3. Step 3: Cross multiply
    31,514.90x = 43,490.00 × 17,174.86
  4. Step 4: Simplify right side
    31,514.90x = 746,934,595.61
  5. Step 5: Solve for x
    x = 746,934,595.61/31,514.90
  6. Step 6: Final answer
    x = 23,701.00

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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.