Home / 50,719.14-76,083.21-13,279.14

Finding the Fourth Proportional to 50,719.14, 76,083.21 and 13,279.14

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Solution

The fourth proportional to 50,719.14, 76,083.21 and 13,279.14 is: 19,919.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,719.14 : 76,083.21 = 13,279.14 : x
  2. Step 2: Convert to fraction form
    50,719.14/76,083.21 = 13,279.14/x
  3. Step 3: Cross multiply
    50,719.14x = 76,083.21 × 13,279.14
  4. Step 4: Simplify right side
    50,719.14x = 1,010,319,597.24
  5. Step 5: Solve for x
    x = 1,010,319,597.24/50,719.14
  6. Step 6: Final answer
    x = 19,919.89

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1.5x scale

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.