Home / 65,552.22-98,317.74-21,179.19

Finding the Fourth Proportional to 65,552.22, 98,317.74 and 21,179.19

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Solution

The fourth proportional to 65,552.22, 98,317.74 and 21,179.19 is: 31,765.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,552.22 : 98,317.74 = 21,179.19 : x
  2. Step 2: Convert to fraction form
    65,552.22/98,317.74 = 21,179.19/x
  3. Step 3: Cross multiply
    65,552.22x = 98,317.74 × 21,179.19
  4. Step 4: Simplify right side
    65,552.22x = 2,082,290,095.83
  5. Step 5: Solve for x
    x = 2,082,290,095.83/65,552.22
  6. Step 6: Final answer
    x = 31,765.36

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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.