Home / 35,619.97-49,158-20,516.62

Finding the Fourth Proportional to 35,619.97, 49,158 and 20,516.62

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Solution

The fourth proportional to 35,619.97, 49,158 and 20,516.62 is: 28,314.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,619.97 : 49,158 = 20,516.62 : x
  2. Step 2: Convert to fraction form
    35,619.97/49,158 = 20,516.62/x
  3. Step 3: Cross multiply
    35,619.97x = 49,158 × 20,516.62
  4. Step 4: Simplify right side
    35,619.97x = 1,008,555,883.07
  5. Step 5: Solve for x
    x = 1,008,555,883.07/35,619.97
  6. Step 6: Final answer
    x = 28,314.34

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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.