Home / 72,350.27-108,532.93-19,759.75

Finding the Fourth Proportional to 72,350.27, 108,532.93 and 19,759.75

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Solution

The fourth proportional to 72,350.27, 108,532.93 and 19,759.75 is: 29,641.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,350.27 : 108,532.93 = 19,759.75 : x
  2. Step 2: Convert to fraction form
    72,350.27/108,532.93 = 19,759.75/x
  3. Step 3: Cross multiply
    72,350.27x = 108,532.93 × 19,759.75
  4. Step 4: Simplify right side
    72,350.27x = 2,144,583,464.77
  5. Step 5: Solve for x
    x = 2,144,583,464.77/72,350.27
  6. Step 6: Final answer
    x = 29,641.68

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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.