Home / 49,170.63-73,756.02-21,072.48

Finding the Fourth Proportional to 49,170.63, 73,756.02 and 21,072.48

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Solution

The fourth proportional to 49,170.63, 73,756.02 and 21,072.48 is: 31,608.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,170.63 : 73,756.02 = 21,072.48 : x
  2. Step 2: Convert to fraction form
    49,170.63/73,756.02 = 21,072.48/x
  3. Step 3: Cross multiply
    49,170.63x = 73,756.02 × 21,072.48
  4. Step 4: Simplify right side
    49,170.63x = 1,554,222,256.33
  5. Step 5: Solve for x
    x = 1,554,222,256.33/49,170.63
  6. Step 6: Final answer
    x = 31,608.75

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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.