Home / 69,218.23-103,851.43-21,840.63

Finding the Fourth Proportional to 69,218.23, 103,851.43 and 21,840.63

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Solution

The fourth proportional to 69,218.23, 103,851.43 and 21,840.63 is: 32,768.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,218.23 : 103,851.43 = 21,840.63 : x
  2. Step 2: Convert to fraction form
    69,218.23/103,851.43 = 21,840.63/x
  3. Step 3: Cross multiply
    69,218.23x = 103,851.43 × 21,840.63
  4. Step 4: Simplify right side
    69,218.23x = 2,268,180,657.60
  5. Step 5: Solve for x
    x = 2,268,180,657.60/69,218.23
  6. Step 6: Final answer
    x = 32,768.55

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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.