Home / 69,627.69-104,428.31-19,695.74

Finding the Fourth Proportional to 69,627.69, 104,428.31 and 19,695.74

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Solution

The fourth proportional to 69,627.69, 104,428.31 and 19,695.74 is: 29,539.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,627.69 : 104,428.31 = 19,695.74 : x
  2. Step 2: Convert to fraction form
    69,627.69/104,428.31 = 19,695.74/x
  3. Step 3: Cross multiply
    69,627.69x = 104,428.31 × 19,695.74
  4. Step 4: Simplify right side
    69,627.69x = 2,056,792,221.78
  5. Step 5: Solve for x
    x = 2,056,792,221.78/69,627.69
  6. Step 6: Final answer
    x = 29,539.86

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1.5x scale

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.