Home / 65,401.14-98,033.66-30,311.94

Finding the Fourth Proportional to 65,401.14, 98,033.66 and 30,311.94

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Solution

The fourth proportional to 65,401.14, 98,033.66 and 30,311.94 is: 45,436.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,401.14 : 98,033.66 = 30,311.94 : x
  2. Step 2: Convert to fraction form
    65,401.14/98,033.66 = 30,311.94/x
  3. Step 3: Cross multiply
    65,401.14x = 98,033.66 × 30,311.94
  4. Step 4: Simplify right side
    65,401.14x = 2,971,590,419.90
  5. Step 5: Solve for x
    x = 2,971,590,419.90/65,401.14
  6. Step 6: Final answer
    x = 45,436.37

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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.