Home / 36,143.58-54,145.20-26,638.62

Finding the Fourth Proportional to 36,143.58, 54,145.20 and 26,638.62

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Solution

The fourth proportional to 36,143.58, 54,145.20 and 26,638.62 is: 39,906.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,143.58 : 54,145.20 = 26,638.62 : x
  2. Step 2: Convert to fraction form
    36,143.58/54,145.20 = 26,638.62/x
  3. Step 3: Cross multiply
    36,143.58x = 54,145.20 × 26,638.62
  4. Step 4: Simplify right side
    36,143.58x = 1,442,353,407.62
  5. Step 5: Solve for x
    x = 1,442,353,407.62/36,143.58
  6. Step 6: Final answer
    x = 39,906.21

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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.