Home / 65,847.89-98,774.27-30,778.13

Finding the Fourth Proportional to 65,847.89, 98,774.27 and 30,778.13

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Solution

The fourth proportional to 65,847.89, 98,774.27 and 30,778.13 is: 46,168.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,847.89 : 98,774.27 = 30,778.13 : x
  2. Step 2: Convert to fraction form
    65,847.89/98,774.27 = 30,778.13/x
  3. Step 3: Cross multiply
    65,847.89x = 98,774.27 × 30,778.13
  4. Step 4: Simplify right side
    65,847.89x = 3,040,086,674.95
  5. Step 5: Solve for x
    x = 3,040,086,674.95/65,847.89
  6. Step 6: Final answer
    x = 46,168.33

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1.5x scale

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.