Home / 34,418.40-51,627.60-12,231.60

Finding the Fourth Proportional to 34,418.40, 51,627.60 and 12,231.60

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Solution

The fourth proportional to 34,418.40, 51,627.60 and 12,231.60 is: 18,347.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,418.40 : 51,627.60 = 12,231.60 : x
  2. Step 2: Convert to fraction form
    34,418.40/51,627.60 = 12,231.60/x
  3. Step 3: Cross multiply
    34,418.40x = 51,627.60 × 12,231.60
  4. Step 4: Simplify right side
    34,418.40x = 631,488,152.16
  5. Step 5: Solve for x
    x = 631,488,152.16/34,418.40
  6. Step 6: Final answer
    x = 18,347.40

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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.