Home / 66,643.47-99,982.71-23,953.21

Finding the Fourth Proportional to 66,643.47, 99,982.71 and 23,953.21

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Solution

The fourth proportional to 66,643.47, 99,982.71 and 23,953.21 is: 35,936.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,643.47 : 99,982.71 = 23,953.21 : x
  2. Step 2: Convert to fraction form
    66,643.47/99,982.71 = 23,953.21/x
  3. Step 3: Cross multiply
    66,643.47x = 99,982.71 × 23,953.21
  4. Step 4: Simplify right side
    66,643.47x = 2,394,906,849.00
  5. Step 5: Solve for x
    x = 2,394,906,849.00/66,643.47
  6. Step 6: Final answer
    x = 35,936.11

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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.