Home / 50,861.72-76,292.64-21,263.36

Finding the Fourth Proportional to 50,861.72, 76,292.64 and 21,263.36

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Solution

The fourth proportional to 50,861.72, 76,292.64 and 21,263.36 is: 31,895.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,861.72 : 76,292.64 = 21,263.36 : x
  2. Step 2: Convert to fraction form
    50,861.72/76,292.64 = 21,263.36/x
  3. Step 3: Cross multiply
    50,861.72x = 76,292.64 × 21,263.36
  4. Step 4: Simplify right side
    50,861.72x = 1,622,237,869.67
  5. Step 5: Solve for x
    x = 1,622,237,869.67/50,861.72
  6. Step 6: Final answer
    x = 31,895.07

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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.