Home / 38,679.86-53,368.25-22,761.33

Finding the Fourth Proportional to 38,679.86, 53,368.25 and 22,761.33

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Solution

The fourth proportional to 38,679.86, 53,368.25 and 22,761.33 is: 31,404.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,679.86 : 53,368.25 = 22,761.33 : x
  2. Step 2: Convert to fraction form
    38,679.86/53,368.25 = 22,761.33/x
  3. Step 3: Cross multiply
    38,679.86x = 53,368.25 × 22,761.33
  4. Step 4: Simplify right side
    38,679.86x = 1,214,732,235.97
  5. Step 5: Solve for x
    x = 1,214,732,235.97/38,679.86
  6. Step 6: Final answer
    x = 31,404.78

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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.