Home / 43,718.59-65,639.31-22,386.60

Finding the Fourth Proportional to 43,718.59, 65,639.31 and 22,386.60

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Solution

The fourth proportional to 43,718.59, 65,639.31 and 22,386.60 is: 33,611.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,718.59 : 65,639.31 = 22,386.60 : x
  2. Step 2: Convert to fraction form
    43,718.59/65,639.31 = 22,386.60/x
  3. Step 3: Cross multiply
    43,718.59x = 65,639.31 × 22,386.60
  4. Step 4: Simplify right side
    43,718.59x = 1,469,441,203.83
  5. Step 5: Solve for x
    x = 1,469,441,203.83/43,718.59
  6. Step 6: Final answer
    x = 33,611.36

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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.