Home / 31,479,555.39-43,440,639.55-17,540,190.28

Finding the Fourth Proportional to 31,479,555.39, 43,440,639.55 and 17,540,190.28

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Solution

The fourth proportional to 31,479,555.39, 43,440,639.55 and 17,540,190.28 is: 24,204,823.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,479,555.39 : 43,440,639.55 = 17,540,190.28 : x
  2. Step 2: Convert to fraction form
    31,479,555.39/43,440,639.55 = 17,540,190.28/x
  3. Step 3: Cross multiply
    31,479,555.39x = 43,440,639.55 × 17,540,190.28
  4. Step 4: Simplify right side
    31,479,555.39x = 761,957,083,591,893.62
  5. Step 5: Solve for x
    x = 761,957,083,591,893.62/31,479,555.39
  6. Step 6: Final answer
    x = 24,204,823.55

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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.