Home / 69,458.07-104,187.62-19,543.21

Finding the Fourth Proportional to 69,458.07, 104,187.62 and 19,543.21

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Solution

The fourth proportional to 69,458.07, 104,187.62 and 19,543.21 is: 29,314.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,458.07 : 104,187.62 = 19,543.21 : x
  2. Step 2: Convert to fraction form
    69,458.07/104,187.62 = 19,543.21/x
  3. Step 3: Cross multiply
    69,458.07x = 104,187.62 × 19,543.21
  4. Step 4: Simplify right side
    69,458.07x = 2,036,160,606.22
  5. Step 5: Solve for x
    x = 2,036,160,606.22/69,458.07
  6. Step 6: Final answer
    x = 29,314.96

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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.