Home / 39,599.19-54,644.31-21,694.14

Finding the Fourth Proportional to 39,599.19, 54,644.31 and 21,694.14

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Solution

The fourth proportional to 39,599.19, 54,644.31 and 21,694.14 is: 29,936.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,599.19 : 54,644.31 = 21,694.14 : x
  2. Step 2: Convert to fraction form
    39,599.19/54,644.31 = 21,694.14/x
  3. Step 3: Cross multiply
    39,599.19x = 54,644.31 × 21,694.14
  4. Step 4: Simplify right side
    39,599.19x = 1,185,461,311.34
  5. Step 5: Solve for x
    x = 1,185,461,311.34/39,599.19
  6. Step 6: Final answer
    x = 29,936.50

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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.