Home / 39,940.34-59,916.27-12,240.50

Finding the Fourth Proportional to 39,940.34, 59,916.27 and 12,240.50

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Solution

The fourth proportional to 39,940.34, 59,916.27 and 12,240.50 is: 18,362.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,940.34 : 59,916.27 = 12,240.50 : x
  2. Step 2: Convert to fraction form
    39,940.34/59,916.27 = 12,240.50/x
  3. Step 3: Cross multiply
    39,940.34x = 59,916.27 × 12,240.50
  4. Step 4: Simplify right side
    39,940.34x = 733,405,102.94
  5. Step 5: Solve for x
    x = 733,405,102.94/39,940.34
  6. Step 6: Final answer
    x = 18,362.52

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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.