Home / 39,974.56-59,954.63-10,390.58

Finding the Fourth Proportional to 39,974.56, 59,954.63 and 10,390.58

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Solution

The fourth proportional to 39,974.56, 59,954.63 and 10,390.58 is: 15,583.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,974.56 : 59,954.63 = 10,390.58 : x
  2. Step 2: Convert to fraction form
    39,974.56/59,954.63 = 10,390.58/x
  3. Step 3: Cross multiply
    39,974.56x = 59,954.63 × 10,390.58
  4. Step 4: Simplify right side
    39,974.56x = 622,963,310.94
  5. Step 5: Solve for x
    x = 622,963,310.94/39,974.56
  6. Step 6: Final answer
    x = 15,583.99

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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.