Home / 34,299.20-51,448.80-12,113.30

Finding the Fourth Proportional to 34,299.20, 51,448.80 and 12,113.30

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Solution

The fourth proportional to 34,299.20, 51,448.80 and 12,113.30 is: 18,169.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,299.20 : 51,448.80 = 12,113.30 : x
  2. Step 2: Convert to fraction form
    34,299.20/51,448.80 = 12,113.30/x
  3. Step 3: Cross multiply
    34,299.20x = 51,448.80 × 12,113.30
  4. Step 4: Simplify right side
    34,299.20x = 623,214,749.04
  5. Step 5: Solve for x
    x = 623,214,749.04/34,299.20
  6. Step 6: Final answer
    x = 18,169.95

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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.