Home / 50,967.39-76,420.78-19,379.76

Finding the Fourth Proportional to 50,967.39, 76,420.78 and 19,379.76

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Solution

The fourth proportional to 50,967.39, 76,420.78 and 19,379.76 is: 29,058.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,967.39 : 76,420.78 = 19,379.76 : x
  2. Step 2: Convert to fraction form
    50,967.39/76,420.78 = 19,379.76/x
  3. Step 3: Cross multiply
    50,967.39x = 76,420.78 × 19,379.76
  4. Step 4: Simplify right side
    50,967.39x = 1,481,016,375.41
  5. Step 5: Solve for x
    x = 1,481,016,375.41/50,967.39
  6. Step 6: Final answer
    x = 29,058.12

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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.