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Finding the Fourth Proportional to 69,710.08, 104,564.91 and 19,790.22

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Solution

The fourth proportional to 69,710.08, 104,564.91 and 19,790.22 is: 29,685.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,710.08 : 104,564.91 = 19,790.22 : x
  2. Step 2: Convert to fraction form
    69,710.08/104,564.91 = 19,790.22/x
  3. Step 3: Cross multiply
    69,710.08x = 104,564.91 × 19,790.22
  4. Step 4: Simplify right side
    69,710.08x = 2,069,362,573.18
  5. Step 5: Solve for x
    x = 2,069,362,573.18/69,710.08
  6. Step 6: Final answer
    x = 29,685.27

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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.