Home / 42,356.44-63,559.26-18,982.90

Finding the Fourth Proportional to 42,356.44, 63,559.26 and 18,982.90

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Solution

The fourth proportional to 42,356.44, 63,559.26 and 18,982.90 is: 28,485.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,356.44 : 63,559.26 = 18,982.90 : x
  2. Step 2: Convert to fraction form
    42,356.44/63,559.26 = 18,982.90/x
  3. Step 3: Cross multiply
    42,356.44x = 63,559.26 × 18,982.90
  4. Step 4: Simplify right side
    42,356.44x = 1,206,539,076.65
  5. Step 5: Solve for x
    x = 1,206,539,076.65/42,356.44
  6. Step 6: Final answer
    x = 28,485.37

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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.