Home / 29,109.80-43,679.10-16,639.40

Finding the Fourth Proportional to 29,109.80, 43,679.10 and 16,639.40

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Solution

The fourth proportional to 29,109.80, 43,679.10 and 16,639.40 is: 24,967.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,109.80 : 43,679.10 = 16,639.40 : x
  2. Step 2: Convert to fraction form
    29,109.80/43,679.10 = 16,639.40/x
  3. Step 3: Cross multiply
    29,109.80x = 43,679.10 × 16,639.40
  4. Step 4: Simplify right side
    29,109.80x = 726,794,016.54
  5. Step 5: Solve for x
    x = 726,794,016.54/29,109.80
  6. Step 6: Final answer
    x = 24,967.33

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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.