Home / 45,571.50-68,369.40-14,406.75

Finding the Fourth Proportional to 45,571.50, 68,369.40 and 14,406.75

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Solution

The fourth proportional to 45,571.50, 68,369.40 and 14,406.75 is: 21,613.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,571.50 : 68,369.40 = 14,406.75 : x
  2. Step 2: Convert to fraction form
    45,571.50/68,369.40 = 14,406.75/x
  3. Step 3: Cross multiply
    45,571.50x = 68,369.40 × 14,406.75
  4. Step 4: Simplify right side
    45,571.50x = 984,980,853.45
  5. Step 5: Solve for x
    x = 984,980,853.45/45,571.50
  6. Step 6: Final answer
    x = 21,613.97

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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.