Home / 36,225.60-49,991.22-20,309.91

Finding the Fourth Proportional to 36,225.60, 49,991.22 and 20,309.91

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Solution

The fourth proportional to 36,225.60, 49,991.22 and 20,309.91 is: 28,027.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,225.60 : 49,991.22 = 20,309.91 : x
  2. Step 2: Convert to fraction form
    36,225.60/49,991.22 = 20,309.91/x
  3. Step 3: Cross multiply
    36,225.60x = 49,991.22 × 20,309.91
  4. Step 4: Simplify right side
    36,225.60x = 1,015,317,178.99
  5. Step 5: Solve for x
    x = 1,015,317,178.99/36,225.60
  6. Step 6: Final answer
    x = 28,027.62

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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.