Home / 29,107.80-43,661.70-8,331.30

Finding the Fourth Proportional to 29,107.80, 43,661.70 and 8,331.30

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Solution

The fourth proportional to 29,107.80, 43,661.70 and 8,331.30 is: 12,496.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,107.80 : 43,661.70 = 8,331.30 : x
  2. Step 2: Convert to fraction form
    29,107.80/43,661.70 = 8,331.30/x
  3. Step 3: Cross multiply
    29,107.80x = 43,661.70 × 8,331.30
  4. Step 4: Simplify right side
    29,107.80x = 363,758,721.21
  5. Step 5: Solve for x
    x = 363,758,721.21/29,107.80
  6. Step 6: Final answer
    x = 12,496.95

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1.5x scale

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.