Home / 50,749.43-76,118.67-13,313.25

Finding the Fourth Proportional to 50,749.43, 76,118.67 and 13,313.25

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Solution

The fourth proportional to 50,749.43, 76,118.67 and 13,313.25 is: 19,968.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,749.43 : 76,118.67 = 13,313.25 : x
  2. Step 2: Convert to fraction form
    50,749.43/76,118.67 = 13,313.25/x
  3. Step 3: Cross multiply
    50,749.43x = 76,118.67 × 13,313.25
  4. Step 4: Simplify right side
    50,749.43x = 1,013,386,850.09
  5. Step 5: Solve for x
    x = 1,013,386,850.09/50,749.43
  6. Step 6: Final answer
    x = 19,968.44

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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.