Home / 45,840.20-68,825.10-28,344.20

Finding the Fourth Proportional to 45,840.20, 68,825.10 and 28,344.20

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Solution

The fourth proportional to 45,840.20, 68,825.10 and 28,344.20 is: 42,556.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,840.20 : 68,825.10 = 28,344.20 : x
  2. Step 2: Convert to fraction form
    45,840.20/68,825.10 = 28,344.20/x
  3. Step 3: Cross multiply
    45,840.20x = 68,825.10 × 28,344.20
  4. Step 4: Simplify right side
    45,840.20x = 1,950,792,399.42
  5. Step 5: Solve for x
    x = 1,950,792,399.42/45,840.20
  6. Step 6: Final answer
    x = 42,556.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.