Home / 34,399.90-51,604.97-12,211.42

Finding the Fourth Proportional to 34,399.90, 51,604.97 and 12,211.42

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Solution

The fourth proportional to 34,399.90, 51,604.97 and 12,211.42 is: 18,318.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,399.90 : 51,604.97 = 12,211.42 : x
  2. Step 2: Convert to fraction form
    34,399.90/51,604.97 = 12,211.42/x
  3. Step 3: Cross multiply
    34,399.90x = 51,604.97 × 12,211.42
  4. Step 4: Simplify right side
    34,399.90x = 630,169,962.76
  5. Step 5: Solve for x
    x = 630,169,962.76/34,399.90
  6. Step 6: Final answer
    x = 18,318.95

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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.