Home / 65,452.16-98,030.61-30,318

Finding the Fourth Proportional to 65,452.16, 98,030.61 and 30,318

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Solution

The fourth proportional to 65,452.16, 98,030.61 and 30,318 is: 45,408.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,452.16 : 98,030.61 = 30,318 : x
  2. Step 2: Convert to fraction form
    65,452.16/98,030.61 = 30,318/x
  3. Step 3: Cross multiply
    65,452.16x = 98,030.61 × 30,318
  4. Step 4: Simplify right side
    65,452.16x = 2,972,092,033.98
  5. Step 5: Solve for x
    x = 2,972,092,033.98/65,452.16
  6. Step 6: Final answer
    x = 45,408.62

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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.