Home / 53,860.86-80,828.19-18,800.52

Finding the Fourth Proportional to 53,860.86, 80,828.19 and 18,800.52

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Solution

The fourth proportional to 53,860.86, 80,828.19 and 18,800.52 is: 28,213.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,860.86 : 80,828.19 = 18,800.52 : x
  2. Step 2: Convert to fraction form
    53,860.86/80,828.19 = 18,800.52/x
  3. Step 3: Cross multiply
    53,860.86x = 80,828.19 × 18,800.52
  4. Step 4: Simplify right side
    53,860.86x = 1,519,612,002.66
  5. Step 5: Solve for x
    x = 1,519,612,002.66/53,860.86
  6. Step 6: Final answer
    x = 28,213.66

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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.