Home / 34,551.58-47,687.70-21,636.85

Finding the Fourth Proportional to 34,551.58, 47,687.70 and 21,636.85

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Solution

The fourth proportional to 34,551.58, 47,687.70 and 21,636.85 is: 29,862.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,551.58 : 47,687.70 = 21,636.85 : x
  2. Step 2: Convert to fraction form
    34,551.58/47,687.70 = 21,636.85/x
  3. Step 3: Cross multiply
    34,551.58x = 47,687.70 × 21,636.85
  4. Step 4: Simplify right side
    34,551.58x = 1,031,811,611.75
  5. Step 5: Solve for x
    x = 1,031,811,611.75/34,551.58
  6. Step 6: Final answer
    x = 29,862.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.