Home / 30,137.76-41,590.38-16,709.28

Finding the Fourth Proportional to 30,137.76, 41,590.38 and 16,709.28

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Solution

The fourth proportional to 30,137.76, 41,590.38 and 16,709.28 is: 23,058.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,137.76 : 41,590.38 = 16,709.28 : x
  2. Step 2: Convert to fraction form
    30,137.76/41,590.38 = 16,709.28/x
  3. Step 3: Cross multiply
    30,137.76x = 41,590.38 × 16,709.28
  4. Step 4: Simplify right side
    30,137.76x = 694,945,304.73
  5. Step 5: Solve for x
    x = 694,945,304.73/30,137.76
  6. Step 6: Final answer
    x = 23,058.96

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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.