Home / 37,935.88-52,352.94-21,172.12

Finding the Fourth Proportional to 37,935.88, 52,352.94 and 21,172.12

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Solution

The fourth proportional to 37,935.88, 52,352.94 and 21,172.12 is: 29,218.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,935.88 : 52,352.94 = 21,172.12 : x
  2. Step 2: Convert to fraction form
    37,935.88/52,352.94 = 21,172.12/x
  3. Step 3: Cross multiply
    37,935.88x = 52,352.94 × 21,172.12
  4. Step 4: Simplify right side
    37,935.88x = 1,108,422,728.03
  5. Step 5: Solve for x
    x = 1,108,422,728.03/37,935.88
  6. Step 6: Final answer
    x = 29,218.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.