Home / 30,238.11-41,733.99-22,619.61

Finding the Fourth Proportional to 30,238.11, 41,733.99 and 22,619.61

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Solution

The fourth proportional to 30,238.11, 41,733.99 and 22,619.61 is: 31,219.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,238.11 : 41,733.99 = 22,619.61 : x
  2. Step 2: Convert to fraction form
    30,238.11/41,733.99 = 22,619.61/x
  3. Step 3: Cross multiply
    30,238.11x = 41,733.99 × 22,619.61
  4. Step 4: Simplify right side
    30,238.11x = 944,006,577.54
  5. Step 5: Solve for x
    x = 944,006,577.54/30,238.11
  6. Step 6: Final answer
    x = 31,219.10

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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.