Home / 34,615.98-51,924.20-12,429.56

Finding the Fourth Proportional to 34,615.98, 51,924.20 and 12,429.56

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Solution

The fourth proportional to 34,615.98, 51,924.20 and 12,429.56 is: 18,644.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,615.98 : 51,924.20 = 12,429.56 : x
  2. Step 2: Convert to fraction form
    34,615.98/51,924.20 = 12,429.56/x
  3. Step 3: Cross multiply
    34,615.98x = 51,924.20 × 12,429.56
  4. Step 4: Simplify right side
    34,615.98x = 645,394,959.35
  5. Step 5: Solve for x
    x = 645,394,959.35/34,615.98
  6. Step 6: Final answer
    x = 18,644.42

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1.5x scale

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.