Home / 34,475.88-51,611.76-21,285.84

Finding the Fourth Proportional to 34,475.88, 51,611.76 and 21,285.84

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Solution

The fourth proportional to 34,475.88, 51,611.76 and 21,285.84 is: 31,865.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,475.88 : 51,611.76 = 21,285.84 : x
  2. Step 2: Convert to fraction form
    34,475.88/51,611.76 = 21,285.84/x
  3. Step 3: Cross multiply
    34,475.88x = 51,611.76 × 21,285.84
  4. Step 4: Simplify right side
    34,475.88x = 1,098,599,665.48
  5. Step 5: Solve for x
    x = 1,098,599,665.48/34,475.88
  6. Step 6: Final answer
    x = 31,865.75

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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.