Home / 50,157.87-69,218.64-30,015.60

Finding the Fourth Proportional to 50,157.87, 69,218.64 and 30,015.60

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Solution

The fourth proportional to 50,157.87, 69,218.64 and 30,015.60 is: 41,421.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,157.87 : 69,218.64 = 30,015.60 : x
  2. Step 2: Convert to fraction form
    50,157.87/69,218.64 = 30,015.60/x
  3. Step 3: Cross multiply
    50,157.87x = 69,218.64 × 30,015.60
  4. Step 4: Simplify right side
    50,157.87x = 2,077,639,010.78
  5. Step 5: Solve for x
    x = 2,077,639,010.78/50,157.87
  6. Step 6: Final answer
    x = 41,421.99

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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.