Home / 69,867.09-104,768.73-19,935

Finding the Fourth Proportional to 69,867.09, 104,768.73 and 19,935

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Solution

The fourth proportional to 69,867.09, 104,768.73 and 19,935 is: 29,893.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,867.09 : 104,768.73 = 19,935 : x
  2. Step 2: Convert to fraction form
    69,867.09/104,768.73 = 19,935/x
  3. Step 3: Cross multiply
    69,867.09x = 104,768.73 × 19,935
  4. Step 4: Simplify right side
    69,867.09x = 2,088,564,632.55
  5. Step 5: Solve for x
    x = 2,088,564,632.55/69,867.09
  6. Step 6: Final answer
    x = 29,893.40

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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.