Home / 39,405.66-54,379.81-25,258.53

Finding the Fourth Proportional to 39,405.66, 54,379.81 and 25,258.53

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Solution

The fourth proportional to 39,405.66, 54,379.81 and 25,258.53 is: 34,856.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,405.66 : 54,379.81 = 25,258.53 : x
  2. Step 2: Convert to fraction form
    39,405.66/54,379.81 = 25,258.53/x
  3. Step 3: Cross multiply
    39,405.66x = 54,379.81 × 25,258.53
  4. Step 4: Simplify right side
    39,405.66x = 1,373,554,297.78
  5. Step 5: Solve for x
    x = 1,373,554,297.78/39,405.66
  6. Step 6: Final answer
    x = 34,856.78

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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.