Home / 34,380.63-51,586.20-21,897.42

Finding the Fourth Proportional to 34,380.63, 51,586.20 and 21,897.42

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Solution

The fourth proportional to 34,380.63, 51,586.20 and 21,897.42 is: 32,855.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,380.63 : 51,586.20 = 21,897.42 : x
  2. Step 2: Convert to fraction form
    34,380.63/51,586.20 = 21,897.42/x
  3. Step 3: Cross multiply
    34,380.63x = 51,586.20 × 21,897.42
  4. Step 4: Simplify right side
    34,380.63x = 1,129,604,687.60
  5. Step 5: Solve for x
    x = 1,129,604,687.60/34,380.63
  6. Step 6: Final answer
    x = 32,855.85

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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.