Home / 30,131.89-41,581.34-16,703.03

Finding the Fourth Proportional to 30,131.89, 41,581.34 and 16,703.03

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Solution

The fourth proportional to 30,131.89, 41,581.34 and 16,703.03 is: 23,049.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,131.89 : 41,581.34 = 16,703.03 : x
  2. Step 2: Convert to fraction form
    30,131.89/41,581.34 = 16,703.03/x
  3. Step 3: Cross multiply
    30,131.89x = 41,581.34 × 16,703.03
  4. Step 4: Simplify right side
    30,131.89x = 694,534,255.29
  5. Step 5: Solve for x
    x = 694,534,255.29/30,131.89
  6. Step 6: Final answer
    x = 23,049.81

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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.