Home / 38,781.43-53,523.32-23,670.86

Finding the Fourth Proportional to 38,781.43, 53,523.32 and 23,670.86

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Solution

The fourth proportional to 38,781.43, 53,523.32 and 23,670.86 is: 32,668.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,781.43 : 53,523.32 = 23,670.86 : x
  2. Step 2: Convert to fraction form
    38,781.43/53,523.32 = 23,670.86/x
  3. Step 3: Cross multiply
    38,781.43x = 53,523.32 × 23,670.86
  4. Step 4: Simplify right side
    38,781.43x = 1,266,942,717.25
  5. Step 5: Solve for x
    x = 1,266,942,717.25/38,781.43
  6. Step 6: Final answer
    x = 32,668.80

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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.