Home / 65,850.36-98,778.72-21,477.03

Finding the Fourth Proportional to 65,850.36, 98,778.72 and 21,477.03

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Solution

The fourth proportional to 65,850.36, 98,778.72 and 21,477.03 is: 32,216.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,850.36 : 98,778.72 = 21,477.03 : x
  2. Step 2: Convert to fraction form
    65,850.36/98,778.72 = 21,477.03/x
  3. Step 3: Cross multiply
    65,850.36x = 98,778.72 × 21,477.03
  4. Step 4: Simplify right side
    65,850.36x = 2,121,473,532.80
  5. Step 5: Solve for x
    x = 2,121,473,532.80/65,850.36
  6. Step 6: Final answer
    x = 32,216.58

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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.