Home / 50,566.32-75,806.64-20,965.68

Finding the Fourth Proportional to 50,566.32, 75,806.64 and 20,965.68

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Solution

The fourth proportional to 50,566.32, 75,806.64 and 20,965.68 is: 31,430.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,566.32 : 75,806.64 = 20,965.68 : x
  2. Step 2: Convert to fraction form
    50,566.32/75,806.64 = 20,965.68/x
  3. Step 3: Cross multiply
    50,566.32x = 75,806.64 × 20,965.68
  4. Step 4: Simplify right side
    50,566.32x = 1,589,337,756.12
  5. Step 5: Solve for x
    x = 1,589,337,756.12/50,566.32
  6. Step 6: Final answer
    x = 31,430.76

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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.