Home / 69,216.60-103,848.99-21,839.00

Finding the Fourth Proportional to 69,216.60, 103,848.99 and 21,839.00

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Solution

The fourth proportional to 69,216.60, 103,848.99 and 21,839.00 is: 32,766.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,216.60 : 103,848.99 = 21,839.00 : x
  2. Step 2: Convert to fraction form
    69,216.60/103,848.99 = 21,839.00/x
  3. Step 3: Cross multiply
    69,216.60x = 103,848.99 × 21,839.00
  4. Step 4: Simplify right side
    69,216.60x = 2,267,958,352.23
  5. Step 5: Solve for x
    x = 2,267,958,352.23/69,216.60
  6. Step 6: Final answer
    x = 32,766.10

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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.