Home / 50,581.35-75,884.24-18,991.76

Finding the Fourth Proportional to 50,581.35, 75,884.24 and 18,991.76

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Solution

The fourth proportional to 50,581.35, 75,884.24 and 18,991.76 is: 28,492.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,581.35 : 75,884.24 = 18,991.76 : x
  2. Step 2: Convert to fraction form
    50,581.35/75,884.24 = 18,991.76/x
  3. Step 3: Cross multiply
    50,581.35x = 75,884.24 × 18,991.76
  4. Step 4: Simplify right side
    50,581.35x = 1,441,174,941.92
  5. Step 5: Solve for x
    x = 1,441,174,941.92/50,581.35
  6. Step 6: Final answer
    x = 28,492.22

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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.