Home / 45,941.34-68,916.77-12,661.41

Finding the Fourth Proportional to 45,941.34, 68,916.77 and 12,661.41

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Solution

The fourth proportional to 45,941.34, 68,916.77 and 12,661.41 is: 18,993.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,941.34 : 68,916.77 = 12,661.41 : x
  2. Step 2: Convert to fraction form
    45,941.34/68,916.77 = 12,661.41/x
  3. Step 3: Cross multiply
    45,941.34x = 68,916.77 × 12,661.41
  4. Step 4: Simplify right side
    45,941.34x = 872,583,136.26
  5. Step 5: Solve for x
    x = 872,583,136.26/45,941.34
  6. Step 6: Final answer
    x = 18,993.42

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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.