Home / 50,014.12-69,017.25-28,788.88

Finding the Fourth Proportional to 50,014.12, 69,017.25 and 28,788.88

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Solution

The fourth proportional to 50,014.12, 69,017.25 and 28,788.88 is: 39,727.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,014.12 : 69,017.25 = 28,788.88 : x
  2. Step 2: Convert to fraction form
    50,014.12/69,017.25 = 28,788.88/x
  3. Step 3: Cross multiply
    50,014.12x = 69,017.25 × 28,788.88
  4. Step 4: Simplify right side
    50,014.12x = 1,986,929,328.18
  5. Step 5: Solve for x
    x = 1,986,929,328.18/50,014.12
  6. Step 6: Final answer
    x = 39,727.37

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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.