Home / 50,991.26-70,355.21-30,576.53

Finding the Fourth Proportional to 50,991.26, 70,355.21 and 30,576.53

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Solution

The fourth proportional to 50,991.26, 70,355.21 and 30,576.53 is: 42,187.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,991.26 : 70,355.21 = 30,576.53 : x
  2. Step 2: Convert to fraction form
    50,991.26/70,355.21 = 30,576.53/x
  3. Step 3: Cross multiply
    50,991.26x = 70,355.21 × 30,576.53
  4. Step 4: Simplify right side
    50,991.26x = 2,151,217,684.56
  5. Step 5: Solve for x
    x = 2,151,217,684.56/50,991.26
  6. Step 6: Final answer
    x = 42,187.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.