Home / 43,584.46-65,320.49-21,089.85

Finding the Fourth Proportional to 43,584.46, 65,320.49 and 21,089.85

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Solution

The fourth proportional to 43,584.46, 65,320.49 and 21,089.85 is: 31,607.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,584.46 : 65,320.49 = 21,089.85 : x
  2. Step 2: Convert to fraction form
    43,584.46/65,320.49 = 21,089.85/x
  3. Step 3: Cross multiply
    43,584.46x = 65,320.49 × 21,089.85
  4. Step 4: Simplify right side
    43,584.46x = 1,377,599,392.60
  5. Step 5: Solve for x
    x = 1,377,599,392.60/43,584.46
  6. Step 6: Final answer
    x = 31,607.58

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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.