Home / 33,847.45-46,708.90-18,739.78

Finding the Fourth Proportional to 33,847.45, 46,708.90 and 18,739.78

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Solution

The fourth proportional to 33,847.45, 46,708.90 and 18,739.78 is: 25,860.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,847.45 : 46,708.90 = 18,739.78 : x
  2. Step 2: Convert to fraction form
    33,847.45/46,708.90 = 18,739.78/x
  3. Step 3: Cross multiply
    33,847.45x = 46,708.90 × 18,739.78
  4. Step 4: Simplify right side
    33,847.45x = 875,314,510.04
  5. Step 5: Solve for x
    x = 875,314,510.04/33,847.45
  6. Step 6: Final answer
    x = 25,860.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.