Home / 38,781.86-53,517.54-23,699.76

Finding the Fourth Proportional to 38,781.86, 53,517.54 and 23,699.76

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Solution

The fourth proportional to 38,781.86, 53,517.54 and 23,699.76 is: 32,704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,781.86 : 53,517.54 = 23,699.76 : x
  2. Step 2: Convert to fraction form
    38,781.86/53,517.54 = 23,699.76/x
  3. Step 3: Cross multiply
    38,781.86x = 53,517.54 × 23,699.76
  4. Step 4: Simplify right side
    38,781.86x = 1,268,352,853.79
  5. Step 5: Solve for x
    x = 1,268,352,853.79/38,781.86
  6. Step 6: Final answer
    x = 32,704.80

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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.