Home / 30,149.82-41,606.86-16,722.31

Finding the Fourth Proportional to 30,149.82, 41,606.86 and 16,722.31

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Solution

The fourth proportional to 30,149.82, 41,606.86 and 16,722.31 is: 23,076.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,149.82 : 41,606.86 = 16,722.31 : x
  2. Step 2: Convert to fraction form
    30,149.82/41,606.86 = 16,722.31/x
  3. Step 3: Cross multiply
    30,149.82x = 41,606.86 × 16,722.31
  4. Step 4: Simplify right side
    30,149.82x = 695,762,811.05
  5. Step 5: Solve for x
    x = 695,762,811.05/30,149.82
  6. Step 6: Final answer
    x = 23,076.85

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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.