Home / 31,675,474.21-43,712,154.40-17,188,786.21

Finding the Fourth Proportional to 31,675,474.21, 43,712,154.40 and 17,188,786.21

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Solution

The fourth proportional to 31,675,474.21, 43,712,154.40 and 17,188,786.21 is: 23,720,524.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,675,474.21 : 43,712,154.40 = 17,188,786.21 : x
  2. Step 2: Convert to fraction form
    31,675,474.21/43,712,154.40 = 17,188,786.21/x
  3. Step 3: Cross multiply
    31,675,474.21x = 43,712,154.40 × 17,188,786.21
  4. Step 4: Simplify right side
    31,675,474.21x = 751,358,876,760,110.88
  5. Step 5: Solve for x
    x = 751,358,876,760,110.88/31,675,474.21
  6. Step 6: Final answer
    x = 23,720,524.96

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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.