Home / 34,431.71-51,640.88-12,245.40

Finding the Fourth Proportional to 34,431.71, 51,640.88 and 12,245.40

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Solution

The fourth proportional to 34,431.71, 51,640.88 and 12,245.40 is: 18,365.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,431.71 : 51,640.88 = 12,245.40 : x
  2. Step 2: Convert to fraction form
    34,431.71/51,640.88 = 12,245.40/x
  3. Step 3: Cross multiply
    34,431.71x = 51,640.88 × 12,245.40
  4. Step 4: Simplify right side
    34,431.71x = 632,363,170.73
  5. Step 5: Solve for x
    x = 632,363,170.73/34,431.71
  6. Step 6: Final answer
    x = 18,365.72

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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.