Home / 53,890.26-80,835.52-18,829.90

Finding the Fourth Proportional to 53,890.26, 80,835.52 and 18,829.90

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Solution

The fourth proportional to 53,890.26, 80,835.52 and 18,829.90 is: 28,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,890.26 : 80,835.52 = 18,829.90 : x
  2. Step 2: Convert to fraction form
    53,890.26/80,835.52 = 18,829.90/x
  3. Step 3: Cross multiply
    53,890.26x = 80,835.52 × 18,829.90
  4. Step 4: Simplify right side
    53,890.26x = 1,522,124,758.05
  5. Step 5: Solve for x
    x = 1,522,124,758.05/53,890.26
  6. Step 6: Final answer
    x = 28,244.90

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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.