Home / 45,504.70-68,257.04-14,342.38

Finding the Fourth Proportional to 45,504.70, 68,257.04 and 14,342.38

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Solution

The fourth proportional to 45,504.70, 68,257.04 and 14,342.38 is: 21,513.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,504.70 : 68,257.04 = 14,342.38 : x
  2. Step 2: Convert to fraction form
    45,504.70/68,257.04 = 14,342.38/x
  3. Step 3: Cross multiply
    45,504.70x = 68,257.04 × 14,342.38
  4. Step 4: Simplify right side
    45,504.70x = 978,968,405.36
  5. Step 5: Solve for x
    x = 978,968,405.36/45,504.70
  6. Step 6: Final answer
    x = 21,513.57

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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.