Home / 45,621.91-68,433.18-14,031.64

Finding the Fourth Proportional to 45,621.91, 68,433.18 and 14,031.64

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Solution

The fourth proportional to 45,621.91, 68,433.18 and 14,031.64 is: 21,047.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,621.91 : 68,433.18 = 14,031.64 : x
  2. Step 2: Convert to fraction form
    45,621.91/68,433.18 = 14,031.64/x
  3. Step 3: Cross multiply
    45,621.91x = 68,433.18 × 14,031.64
  4. Step 4: Simplify right side
    45,621.91x = 960,229,745.82
  5. Step 5: Solve for x
    x = 960,229,745.82/45,621.91
  6. Step 6: Final answer
    x = 21,047.56

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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.