Home / 50,749.93-76,119.42-13,313.75

Finding the Fourth Proportional to 50,749.93, 76,119.42 and 13,313.75

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Solution

The fourth proportional to 50,749.93, 76,119.42 and 13,313.75 is: 19,969.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,749.93 : 76,119.42 = 13,313.75 : x
  2. Step 2: Convert to fraction form
    50,749.93/76,119.42 = 13,313.75/x
  3. Step 3: Cross multiply
    50,749.93x = 76,119.42 × 13,313.75
  4. Step 4: Simplify right side
    50,749.93x = 1,013,434,861.46
  5. Step 5: Solve for x
    x = 1,013,434,861.46/50,749.93
  6. Step 6: Final answer
    x = 19,969.19

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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.