Home / 50,618.72-75,947.76-21,029.12

Finding the Fourth Proportional to 50,618.72, 75,947.76 and 21,029.12

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Solution

The fourth proportional to 50,618.72, 75,947.76 and 21,029.12 is: 31,551.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,618.72 : 75,947.76 = 21,029.12 : x
  2. Step 2: Convert to fraction form
    50,618.72/75,947.76 = 21,029.12/x
  3. Step 3: Cross multiply
    50,618.72x = 75,947.76 × 21,029.12
  4. Step 4: Simplify right side
    50,618.72x = 1,597,114,558.77
  5. Step 5: Solve for x
    x = 1,597,114,558.77/50,618.72
  6. Step 6: Final answer
    x = 31,551.86

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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.