Home / 50,748.30-76,129.74-15,690.68

Finding the Fourth Proportional to 50,748.30, 76,129.74 and 15,690.68

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Solution

The fourth proportional to 50,748.30, 76,129.74 and 15,690.68 is: 23,538.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,748.30 : 76,129.74 = 15,690.68 : x
  2. Step 2: Convert to fraction form
    50,748.30/76,129.74 = 15,690.68/x
  3. Step 3: Cross multiply
    50,748.30x = 76,129.74 × 15,690.68
  4. Step 4: Simplify right side
    50,748.30x = 1,194,527,388.82
  5. Step 5: Solve for x
    x = 1,194,527,388.82/50,748.30
  6. Step 6: Final answer
    x = 23,538.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.