Home / 103,584.32-155,383.05-32,509.77

Finding the Fourth Proportional to 103,584.32, 155,383.05 and 32,509.77

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Solution

The fourth proportional to 103,584.32, 155,383.05 and 32,509.77 is: 48,766.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,584.32 : 155,383.05 = 32,509.77 : x
  2. Step 2: Convert to fraction form
    103,584.32/155,383.05 = 32,509.77/x
  3. Step 3: Cross multiply
    103,584.32x = 155,383.05 × 32,509.77
  4. Step 4: Simplify right side
    103,584.32x = 5,051,466,756.62
  5. Step 5: Solve for x
    x = 5,051,466,756.62/103,584.32
  6. Step 6: Final answer
    x = 48,766.71

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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.