Home / 33,315.80-49,967.94-12,539.48

Finding the Fourth Proportional to 33,315.80, 49,967.94 and 12,539.48

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Solution

The fourth proportional to 33,315.80, 49,967.94 and 12,539.48 is: 18,807.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,315.80 : 49,967.94 = 12,539.48 : x
  2. Step 2: Convert to fraction form
    33,315.80/49,967.94 = 12,539.48/x
  3. Step 3: Cross multiply
    33,315.80x = 49,967.94 × 12,539.48
  4. Step 4: Simplify right side
    33,315.80x = 626,571,984.27
  5. Step 5: Solve for x
    x = 626,571,984.27/33,315.80
  6. Step 6: Final answer
    x = 18,807.05

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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.