Home / 65,847.14-98,735.32-20,860.24

Finding the Fourth Proportional to 65,847.14, 98,735.32 and 20,860.24

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Solution

The fourth proportional to 65,847.14, 98,735.32 and 20,860.24 is: 31,279.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,847.14 : 98,735.32 = 20,860.24 : x
  2. Step 2: Convert to fraction form
    65,847.14/98,735.32 = 20,860.24/x
  3. Step 3: Cross multiply
    65,847.14x = 98,735.32 × 20,860.24
  4. Step 4: Simplify right side
    65,847.14x = 2,059,642,471.68
  5. Step 5: Solve for x
    x = 2,059,642,471.68/65,847.14
  6. Step 6: Final answer
    x = 31,279.15

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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.