Home / 29,550.34-40,778.05-16,120.79

Finding the Fourth Proportional to 29,550.34, 40,778.05 and 16,120.79

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Solution

The fourth proportional to 29,550.34, 40,778.05 and 16,120.79 is: 22,245.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,550.34 : 40,778.05 = 16,120.79 : x
  2. Step 2: Convert to fraction form
    29,550.34/40,778.05 = 16,120.79/x
  3. Step 3: Cross multiply
    29,550.34x = 40,778.05 × 16,120.79
  4. Step 4: Simplify right side
    29,550.34x = 657,374,548.99
  5. Step 5: Solve for x
    x = 657,374,548.99/29,550.34
  6. Step 6: Final answer
    x = 22,245.92

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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.