Home / 34,143.57-51,168.92-20,110.05

Finding the Fourth Proportional to 34,143.57, 51,168.92 and 20,110.05

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Solution

The fourth proportional to 34,143.57, 51,168.92 and 20,110.05 is: 30,137.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,143.57 : 51,168.92 = 20,110.05 : x
  2. Step 2: Convert to fraction form
    34,143.57/51,168.92 = 20,110.05/x
  3. Step 3: Cross multiply
    34,143.57x = 51,168.92 × 20,110.05
  4. Step 4: Simplify right side
    34,143.57x = 1,029,009,439.10
  5. Step 5: Solve for x
    x = 1,029,009,439.10/34,143.57
  6. Step 6: Final answer
    x = 30,137.72

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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.