Home / 69,762.28-104,660.98-19,842.39

Finding the Fourth Proportional to 69,762.28, 104,660.98 and 19,842.39

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Solution

The fourth proportional to 69,762.28, 104,660.98 and 19,842.39 is: 29,768.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,762.28 : 104,660.98 = 19,842.39 : x
  2. Step 2: Convert to fraction form
    69,762.28/104,660.98 = 19,842.39/x
  3. Step 3: Cross multiply
    69,762.28x = 104,660.98 × 19,842.39
  4. Step 4: Simplify right side
    69,762.28x = 2,076,723,360.43
  5. Step 5: Solve for x
    x = 2,076,723,360.43/69,762.28
  6. Step 6: Final answer
    x = 29,768.57

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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.