Home / 49,739.20-74,608.80-16,907.20

Finding the Fourth Proportional to 49,739.20, 74,608.80 and 16,907.20

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Solution

The fourth proportional to 49,739.20, 74,608.80 and 16,907.20 is: 25,360.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,739.20 : 74,608.80 = 16,907.20 : x
  2. Step 2: Convert to fraction form
    49,739.20/74,608.80 = 16,907.20/x
  3. Step 3: Cross multiply
    49,739.20x = 74,608.80 × 16,907.20
  4. Step 4: Simplify right side
    49,739.20x = 1,261,425,903.36
  5. Step 5: Solve for x
    x = 1,261,425,903.36/49,739.20
  6. Step 6: Final answer
    x = 25,360.80

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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.