Home / 36,690.70-50,633.19-20,775.17

Finding the Fourth Proportional to 36,690.70, 50,633.19 and 20,775.17

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Solution

The fourth proportional to 36,690.70, 50,633.19 and 20,775.17 is: 28,669.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,690.70 : 50,633.19 = 20,775.17 : x
  2. Step 2: Convert to fraction form
    36,690.70/50,633.19 = 20,775.17/x
  3. Step 3: Cross multiply
    36,690.70x = 50,633.19 × 20,775.17
  4. Step 4: Simplify right side
    36,690.70x = 1,051,913,129.89
  5. Step 5: Solve for x
    x = 1,051,913,129.89/36,690.70
  6. Step 6: Final answer
    x = 28,669.75

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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.