Home / 30,138.34-41,590.83-16,709.24

Finding the Fourth Proportional to 30,138.34, 41,590.83 and 16,709.24

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Solution

The fourth proportional to 30,138.34, 41,590.83 and 16,709.24 is: 23,058.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,138.34 : 41,590.83 = 16,709.24 : x
  2. Step 2: Convert to fraction form
    30,138.34/41,590.83 = 16,709.24/x
  3. Step 3: Cross multiply
    30,138.34x = 41,590.83 × 16,709.24
  4. Step 4: Simplify right side
    30,138.34x = 694,951,264.25
  5. Step 5: Solve for x
    x = 694,951,264.25/30,138.34
  6. Step 6: Final answer
    x = 23,058.71

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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.