Home / 38,668.13-53,361.11-22,753.61

Finding the Fourth Proportional to 38,668.13, 53,361.11 and 22,753.61

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Solution

The fourth proportional to 38,668.13, 53,361.11 and 22,753.61 is: 31,399.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,668.13 : 53,361.11 = 22,753.61 : x
  2. Step 2: Convert to fraction form
    38,668.13/53,361.11 = 22,753.61/x
  3. Step 3: Cross multiply
    38,668.13x = 53,361.11 × 22,753.61
  4. Step 4: Simplify right side
    38,668.13x = 1,214,157,505.53
  5. Step 5: Solve for x
    x = 1,214,157,505.53/38,668.13
  6. Step 6: Final answer
    x = 31,399.44

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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.