Home / 30,137.22-41,581.13-18,808.52

Finding the Fourth Proportional to 30,137.22, 41,581.13 and 18,808.52

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Solution

The fourth proportional to 30,137.22, 41,581.13 and 18,808.52 is: 25,950.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,137.22 : 41,581.13 = 18,808.52 : x
  2. Step 2: Convert to fraction form
    30,137.22/41,581.13 = 18,808.52/x
  3. Step 3: Cross multiply
    30,137.22x = 41,581.13 × 18,808.52
  4. Step 4: Simplify right side
    30,137.22x = 782,079,213.28
  5. Step 5: Solve for x
    x = 782,079,213.28/30,137.22
  6. Step 6: Final answer
    x = 25,950.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.