Home / 36,788.31-50,764.34-20,651.91

Finding the Fourth Proportional to 36,788.31, 50,764.34 and 20,651.91

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Solution

The fourth proportional to 36,788.31, 50,764.34 and 20,651.91 is: 28,497.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,788.31 : 50,764.34 = 20,651.91 : x
  2. Step 2: Convert to fraction form
    36,788.31/50,764.34 = 20,651.91/x
  3. Step 3: Cross multiply
    36,788.31x = 50,764.34 × 20,651.91
  4. Step 4: Simplify right side
    36,788.31x = 1,048,380,477.63
  5. Step 5: Solve for x
    x = 1,048,380,477.63/36,788.31
  6. Step 6: Final answer
    x = 28,497.65

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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.