Home / 34,149.60-51,224.40-10,778.40

Finding the Fourth Proportional to 34,149.60, 51,224.40 and 10,778.40

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Solution

The fourth proportional to 34,149.60, 51,224.40 and 10,778.40 is: 16,167.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,149.60 : 51,224.40 = 10,778.40 : x
  2. Step 2: Convert to fraction form
    34,149.60/51,224.40 = 10,778.40/x
  3. Step 3: Cross multiply
    34,149.60x = 51,224.40 × 10,778.40
  4. Step 4: Simplify right side
    34,149.60x = 552,117,072.96
  5. Step 5: Solve for x
    x = 552,117,072.96/34,149.60
  6. Step 6: Final answer
    x = 16,167.60

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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.