Home / 69,117.22-103,693.93-21,730.39

Finding the Fourth Proportional to 69,117.22, 103,693.93 and 21,730.39

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Solution

The fourth proportional to 69,117.22, 103,693.93 and 21,730.39 is: 32,601.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,117.22 : 103,693.93 = 21,730.39 : x
  2. Step 2: Convert to fraction form
    69,117.22/103,693.93 = 21,730.39/x
  3. Step 3: Cross multiply
    69,117.22x = 103,693.93 × 21,730.39
  4. Step 4: Simplify right side
    69,117.22x = 2,253,309,539.53
  5. Step 5: Solve for x
    x = 2,253,309,539.53/69,117.22
  6. Step 6: Final answer
    x = 32,601.28

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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.