Home / 45,942.93-68,916.75-12,662.26

Finding the Fourth Proportional to 45,942.93, 68,916.75 and 12,662.26

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Solution

The fourth proportional to 45,942.93, 68,916.75 and 12,662.26 is: 18,994.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,942.93 : 68,916.75 = 12,662.26 : x
  2. Step 2: Convert to fraction form
    45,942.93/68,916.75 = 12,662.26/x
  3. Step 3: Cross multiply
    45,942.93x = 68,916.75 × 12,662.26
  4. Step 4: Simplify right side
    45,942.93x = 872,641,398.96
  5. Step 5: Solve for x
    x = 872,641,398.96/45,942.93
  6. Step 6: Final answer
    x = 18,994.03

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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.