Home / 65,450.66-98,028.36-30,316.50

Finding the Fourth Proportional to 65,450.66, 98,028.36 and 30,316.50

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Solution

The fourth proportional to 65,450.66, 98,028.36 and 30,316.50 is: 45,406.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,450.66 : 98,028.36 = 30,316.50 : x
  2. Step 2: Convert to fraction form
    65,450.66/98,028.36 = 30,316.50/x
  3. Step 3: Cross multiply
    65,450.66x = 98,028.36 × 30,316.50
  4. Step 4: Simplify right side
    65,450.66x = 2,971,876,775.94
  5. Step 5: Solve for x
    x = 2,971,876,775.94/65,450.66
  6. Step 6: Final answer
    x = 45,406.37

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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.