Home / 39,119.74-58,684.16-14,171.54

Finding the Fourth Proportional to 39,119.74, 58,684.16 and 14,171.54

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Solution

The fourth proportional to 39,119.74, 58,684.16 and 14,171.54 is: 21,258.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,119.74 : 58,684.16 = 14,171.54 : x
  2. Step 2: Convert to fraction form
    39,119.74/58,684.16 = 14,171.54/x
  3. Step 3: Cross multiply
    39,119.74x = 58,684.16 × 14,171.54
  4. Step 4: Simplify right side
    39,119.74x = 831,644,662.81
  5. Step 5: Solve for x
    x = 831,644,662.81/39,119.74
  6. Step 6: Final answer
    x = 21,258.95

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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.