Home / 31,675,474.71-43,712,155.09-17,188,786.71

Finding the Fourth Proportional to 31,675,474.71, 43,712,155.09 and 17,188,786.71

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Solution

The fourth proportional to 31,675,474.71, 43,712,155.09 and 17,188,786.71 is: 23,720,525.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,675,474.71 : 43,712,155.09 = 17,188,786.71 : x
  2. Step 2: Convert to fraction form
    31,675,474.71/43,712,155.09 = 17,188,786.71/x
  3. Step 3: Cross multiply
    31,675,474.71x = 43,712,155.09 × 17,188,786.71
  4. Step 4: Simplify right side
    31,675,474.71x = 751,358,910,476,451
  5. Step 5: Solve for x
    x = 751,358,910,476,451/31,675,474.71
  6. Step 6: Final answer
    x = 23,720,525.65

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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.