Home / 31,677.40-47,524.74-10,620.91

Finding the Fourth Proportional to 31,677.40, 47,524.74 and 10,620.91

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Solution

The fourth proportional to 31,677.40, 47,524.74 and 10,620.91 is: 15,934.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,677.40 : 47,524.74 = 10,620.91 : x
  2. Step 2: Convert to fraction form
    31,677.40/47,524.74 = 10,620.91/x
  3. Step 3: Cross multiply
    31,677.40x = 47,524.74 × 10,620.91
  4. Step 4: Simplify right side
    31,677.40x = 504,755,986.31
  5. Step 5: Solve for x
    x = 504,755,986.31/31,677.40
  6. Step 6: Final answer
    x = 15,934.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.