Home / 45,480.40-68,195.99-15,485.69

Finding the Fourth Proportional to 45,480.40, 68,195.99 and 15,485.69

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Solution

The fourth proportional to 45,480.40, 68,195.99 and 15,485.69 is: 23,220.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,480.40 : 68,195.99 = 15,485.69 : x
  2. Step 2: Convert to fraction form
    45,480.40/68,195.99 = 15,485.69/x
  3. Step 3: Cross multiply
    45,480.40x = 68,195.99 × 15,485.69
  4. Step 4: Simplify right side
    45,480.40x = 1,056,062,169.59
  5. Step 5: Solve for x
    x = 1,056,062,169.59/45,480.40
  6. Step 6: Final answer
    x = 23,220.16

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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.