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Finding the Fourth Proportional to 69,410.88, 104,114.43 and 19,491.39

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Solution

The fourth proportional to 69,410.88, 104,114.43 and 19,491.39 is: 29,236.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,410.88 : 104,114.43 = 19,491.39 : x
  2. Step 2: Convert to fraction form
    69,410.88/104,114.43 = 19,491.39/x
  3. Step 3: Cross multiply
    69,410.88x = 104,114.43 × 19,491.39
  4. Step 4: Simplify right side
    69,410.88x = 2,029,334,959.76
  5. Step 5: Solve for x
    x = 2,029,334,959.76/69,410.88
  6. Step 6: Final answer
    x = 29,236.55

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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.