Home / 45,460.10-68,200.46-13,872.98

Finding the Fourth Proportional to 45,460.10, 68,200.46 and 13,872.98

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Solution

The fourth proportional to 45,460.10, 68,200.46 and 13,872.98 is: 20,812.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,460.10 : 68,200.46 = 13,872.98 : x
  2. Step 2: Convert to fraction form
    45,460.10/68,200.46 = 13,872.98/x
  3. Step 3: Cross multiply
    45,460.10x = 68,200.46 × 13,872.98
  4. Step 4: Simplify right side
    45,460.10x = 946,143,311.25
  5. Step 5: Solve for x
    x = 946,143,311.25/45,460.10
  6. Step 6: Final answer
    x = 20,812.61

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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.