Home / 53,838.90-80,933.31-48,317.94

Finding the Fourth Proportional to 53,838.90, 80,933.31 and 48,317.94

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Solution

The fourth proportional to 53,838.90, 80,933.31 and 48,317.94 is: 72,633.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,838.90 : 80,933.31 = 48,317.94 : x
  2. Step 2: Convert to fraction form
    53,838.90/80,933.31 = 48,317.94/x
  3. Step 3: Cross multiply
    53,838.90x = 80,933.31 × 48,317.94
  4. Step 4: Simplify right side
    53,838.90x = 3,910,530,816.58
  5. Step 5: Solve for x
    x = 3,910,530,816.58/53,838.90
  6. Step 6: Final answer
    x = 72,633.93

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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.