Home / 39,942.84-59,920.02-12,243

Finding the Fourth Proportional to 39,942.84, 59,920.02 and 12,243

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Solution

The fourth proportional to 39,942.84, 59,920.02 and 12,243 is: 18,366.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,942.84 : 59,920.02 = 12,243 : x
  2. Step 2: Convert to fraction form
    39,942.84/59,920.02 = 12,243/x
  3. Step 3: Cross multiply
    39,942.84x = 59,920.02 × 12,243
  4. Step 4: Simplify right side
    39,942.84x = 733,600,804.86
  5. Step 5: Solve for x
    x = 733,600,804.86/39,942.84
  6. Step 6: Final answer
    x = 18,366.27

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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.