Home / 43,045.35-64,571.73-11,880.60

Finding the Fourth Proportional to 43,045.35, 64,571.73 and 11,880.60

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Solution

The fourth proportional to 43,045.35, 64,571.73 and 11,880.60 is: 17,821.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,045.35 : 64,571.73 = 11,880.60 : x
  2. Step 2: Convert to fraction form
    43,045.35/64,571.73 = 11,880.60/x
  3. Step 3: Cross multiply
    43,045.35x = 64,571.73 × 11,880.60
  4. Step 4: Simplify right side
    43,045.35x = 767,150,895.44
  5. Step 5: Solve for x
    x = 767,150,895.44/43,045.35
  6. Step 6: Final answer
    x = 17,821.92

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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.