Home / 50,811.85-76,190.28-40,349.18

Finding the Fourth Proportional to 50,811.85, 76,190.28 and 40,349.18

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Solution

The fourth proportional to 50,811.85, 76,190.28 and 40,349.18 is: 60,501.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,811.85 : 76,190.28 = 40,349.18 : x
  2. Step 2: Convert to fraction form
    50,811.85/76,190.28 = 40,349.18/x
  3. Step 3: Cross multiply
    50,811.85x = 76,190.28 × 40,349.18
  4. Step 4: Simplify right side
    50,811.85x = 3,074,215,321.97
  5. Step 5: Solve for x
    x = 3,074,215,321.97/50,811.85
  6. Step 6: Final answer
    x = 60,501.94

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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.