Home / 29,130.73-43,665.81-19,771.51

Finding the Fourth Proportional to 29,130.73, 43,665.81 and 19,771.51

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Solution

The fourth proportional to 29,130.73, 43,665.81 and 19,771.51 is: 29,636.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,130.73 : 43,665.81 = 19,771.51 : x
  2. Step 2: Convert to fraction form
    29,130.73/43,665.81 = 19,771.51/x
  3. Step 3: Cross multiply
    29,130.73x = 43,665.81 × 19,771.51
  4. Step 4: Simplify right side
    29,130.73x = 863,338,999.07
  5. Step 5: Solve for x
    x = 863,338,999.07/29,130.73
  6. Step 6: Final answer
    x = 29,636.71

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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.