Home / 53,933.90-80,937.30-18,873.86

Finding the Fourth Proportional to 53,933.90, 80,937.30 and 18,873.86

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Solution

The fourth proportional to 53,933.90, 80,937.30 and 18,873.86 is: 28,323.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,933.90 : 80,937.30 = 18,873.86 : x
  2. Step 2: Convert to fraction form
    53,933.90/80,937.30 = 18,873.86/x
  3. Step 3: Cross multiply
    53,933.90x = 80,937.30 × 18,873.86
  4. Step 4: Simplify right side
    53,933.90x = 1,527,599,268.98
  5. Step 5: Solve for x
    x = 1,527,599,268.98/53,933.90
  6. Step 6: Final answer
    x = 28,323.55

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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.