Home / 33,581.32-50,381.72-13,856.20

Finding the Fourth Proportional to 33,581.32, 50,381.72 and 13,856.20

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Solution

The fourth proportional to 33,581.32, 50,381.72 and 13,856.20 is: 20,788.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,581.32 : 50,381.72 = 13,856.20 : x
  2. Step 2: Convert to fraction form
    33,581.32/50,381.72 = 13,856.20/x
  3. Step 3: Cross multiply
    33,581.32x = 50,381.72 × 13,856.20
  4. Step 4: Simplify right side
    33,581.32x = 698,099,188.66
  5. Step 5: Solve for x
    x = 698,099,188.66/33,581.32
  6. Step 6: Final answer
    x = 20,788.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.