Home / 50,811.26-70,119.38-28,150.28

Finding the Fourth Proportional to 50,811.26, 70,119.38 and 28,150.28

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Solution

The fourth proportional to 50,811.26, 70,119.38 and 28,150.28 is: 38,847.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,811.26 : 70,119.38 = 28,150.28 : x
  2. Step 2: Convert to fraction form
    50,811.26/70,119.38 = 28,150.28/x
  3. Step 3: Cross multiply
    50,811.26x = 70,119.38 × 28,150.28
  4. Step 4: Simplify right side
    50,811.26x = 1,973,880,180.43
  5. Step 5: Solve for x
    x = 1,973,880,180.43/50,811.26
  6. Step 6: Final answer
    x = 38,847.30

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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.