Home / 36,705.45-50,651.83-20,790.03

Finding the Fourth Proportional to 36,705.45, 50,651.83 and 20,790.03

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Solution

The fourth proportional to 36,705.45, 50,651.83 and 20,790.03 is: 28,689.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,705.45 : 50,651.83 = 20,790.03 : x
  2. Step 2: Convert to fraction form
    36,705.45/50,651.83 = 20,790.03/x
  3. Step 3: Cross multiply
    36,705.45x = 50,651.83 × 20,790.03
  4. Step 4: Simplify right side
    36,705.45x = 1,053,053,281.19
  5. Step 5: Solve for x
    x = 1,053,053,281.19/36,705.45
  6. Step 6: Final answer
    x = 28,689.29

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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.