Home / 50,515.04-69,682.20-31,619.36

Finding the Fourth Proportional to 50,515.04, 69,682.20 and 31,619.36

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Solution

The fourth proportional to 50,515.04, 69,682.20 and 31,619.36 is: 43,616.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,515.04 : 69,682.20 = 31,619.36 : x
  2. Step 2: Convert to fraction form
    50,515.04/69,682.20 = 31,619.36/x
  3. Step 3: Cross multiply
    50,515.04x = 69,682.20 × 31,619.36
  4. Step 4: Simplify right side
    50,515.04x = 2,203,306,567.39
  5. Step 5: Solve for x
    x = 2,203,306,567.39/50,515.04
  6. Step 6: Final answer
    x = 43,616.84

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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.