Home / 49,768.43-68,675.45-30,645.14

Finding the Fourth Proportional to 49,768.43, 68,675.45 and 30,645.14

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Solution

The fourth proportional to 49,768.43, 68,675.45 and 30,645.14 is: 42,287.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,768.43 : 68,675.45 = 30,645.14 : x
  2. Step 2: Convert to fraction form
    49,768.43/68,675.45 = 30,645.14/x
  3. Step 3: Cross multiply
    49,768.43x = 68,675.45 × 30,645.14
  4. Step 4: Simplify right side
    49,768.43x = 2,104,568,283.21
  5. Step 5: Solve for x
    x = 2,104,568,283.21/49,768.43
  6. Step 6: Final answer
    x = 42,287.22

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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.