Home / 30,138.05-41,590.44-16,708.96

Finding the Fourth Proportional to 30,138.05, 41,590.44 and 16,708.96

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Solution

The fourth proportional to 30,138.05, 41,590.44 and 16,708.96 is: 23,058.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,138.05 : 41,590.44 = 16,708.96 : x
  2. Step 2: Convert to fraction form
    30,138.05/41,590.44 = 16,708.96/x
  3. Step 3: Cross multiply
    30,138.05x = 41,590.44 × 16,708.96
  4. Step 4: Simplify right side
    30,138.05x = 694,933,112.99
  5. Step 5: Solve for x
    x = 694,933,112.99/30,138.05
  6. Step 6: Final answer
    x = 23,058.33

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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.