Home / 53,755.38-80,675.73-28,813.86

Finding the Fourth Proportional to 53,755.38, 80,675.73 and 28,813.86

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Solution

The fourth proportional to 53,755.38, 80,675.73 and 28,813.86 is: 43,243.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,755.38 : 80,675.73 = 28,813.86 : x
  2. Step 2: Convert to fraction form
    53,755.38/80,675.73 = 28,813.86/x
  3. Step 3: Cross multiply
    53,755.38x = 80,675.73 × 28,813.86
  4. Step 4: Simplify right side
    53,755.38x = 2,324,579,189.62
  5. Step 5: Solve for x
    x = 2,324,579,189.62/53,755.38
  6. Step 6: Final answer
    x = 43,243.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.