Home / 66,639.47-99,976.71-23,949.21

Finding the Fourth Proportional to 66,639.47, 99,976.71 and 23,949.21

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Solution

The fourth proportional to 66,639.47, 99,976.71 and 23,949.21 is: 35,930.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,639.47 : 99,976.71 = 23,949.21 : x
  2. Step 2: Convert to fraction form
    66,639.47/99,976.71 = 23,949.21/x
  3. Step 3: Cross multiply
    66,639.47x = 99,976.71 × 23,949.21
  4. Step 4: Simplify right side
    66,639.47x = 2,394,362,919.26
  5. Step 5: Solve for x
    x = 2,394,362,919.26/66,639.47
  6. Step 6: Final answer
    x = 35,930.10

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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.