Home / 34,404.90-51,611.40-12,213.60

Finding the Fourth Proportional to 34,404.90, 51,611.40 and 12,213.60

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Solution

The fourth proportional to 34,404.90, 51,611.40 and 12,213.60 is: 18,321.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,404.90 : 51,611.40 = 12,213.60 : x
  2. Step 2: Convert to fraction form
    34,404.90/51,611.40 = 12,213.60/x
  3. Step 3: Cross multiply
    34,404.90x = 51,611.40 × 12,213.60
  4. Step 4: Simplify right side
    34,404.90x = 630,360,995.04
  5. Step 5: Solve for x
    x = 630,360,995.04/34,404.90
  6. Step 6: Final answer
    x = 18,321.84

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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.