Home / 34,280.78-51,429.37-12,099.13

Finding the Fourth Proportional to 34,280.78, 51,429.37 and 12,099.13

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Solution

The fourth proportional to 34,280.78, 51,429.37 and 12,099.13 is: 18,151.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,280.78 : 51,429.37 = 12,099.13 : x
  2. Step 2: Convert to fraction form
    34,280.78/51,429.37 = 12,099.13/x
  3. Step 3: Cross multiply
    34,280.78x = 51,429.37 × 12,099.13
  4. Step 4: Simplify right side
    34,280.78x = 622,250,633.45
  5. Step 5: Solve for x
    x = 622,250,633.45/34,280.78
  6. Step 6: Final answer
    x = 18,151.59

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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.