Home / 39,936.90-59,895.10-11,850.31

Finding the Fourth Proportional to 39,936.90, 59,895.10 and 11,850.31

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Solution

The fourth proportional to 39,936.90, 59,895.10 and 11,850.31 is: 17,772.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,936.90 : 59,895.10 = 11,850.31 : x
  2. Step 2: Convert to fraction form
    39,936.90/59,895.10 = 11,850.31/x
  3. Step 3: Cross multiply
    39,936.90x = 59,895.10 × 11,850.31
  4. Step 4: Simplify right side
    39,936.90x = 709,775,443.23
  5. Step 5: Solve for x
    x = 709,775,443.23/39,936.90
  6. Step 6: Final answer
    x = 17,772.42

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1.5x scale

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.