Home / 30,932.22-42,696.75-22,005.62

Finding the Fourth Proportional to 30,932.22, 42,696.75 and 22,005.62

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Solution

The fourth proportional to 30,932.22, 42,696.75 and 22,005.62 is: 30,375.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,932.22 : 42,696.75 = 22,005.62 : x
  2. Step 2: Convert to fraction form
    30,932.22/42,696.75 = 22,005.62/x
  3. Step 3: Cross multiply
    30,932.22x = 42,696.75 × 22,005.62
  4. Step 4: Simplify right side
    30,932.22x = 939,568,455.74
  5. Step 5: Solve for x
    x = 939,568,455.74/30,932.22
  6. Step 6: Final answer
    x = 30,375.07

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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.