Home / 53,842.86-80,761.32-18,784.98

Finding the Fourth Proportional to 53,842.86, 80,761.32 and 18,784.98

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Solution

The fourth proportional to 53,842.86, 80,761.32 and 18,784.98 is: 28,176.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,842.86 : 80,761.32 = 18,784.98 : x
  2. Step 2: Convert to fraction form
    53,842.86/80,761.32 = 18,784.98/x
  3. Step 3: Cross multiply
    53,842.86x = 80,761.32 × 18,784.98
  4. Step 4: Simplify right side
    53,842.86x = 1,517,099,780.97
  5. Step 5: Solve for x
    x = 1,517,099,780.97/53,842.86
  6. Step 6: Final answer
    x = 28,176.43

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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.