Home / 54,629.82-81,971.55-19,572.30

Finding the Fourth Proportional to 54,629.82, 81,971.55 and 19,572.30

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Solution

The fourth proportional to 54,629.82, 81,971.55 and 19,572.30 is: 29,368.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,629.82 : 81,971.55 = 19,572.30 : x
  2. Step 2: Convert to fraction form
    54,629.82/81,971.55 = 19,572.30/x
  3. Step 3: Cross multiply
    54,629.82x = 81,971.55 × 19,572.30
  4. Step 4: Simplify right side
    54,629.82x = 1,604,371,768.07
  5. Step 5: Solve for x
    x = 1,604,371,768.07/54,629.82
  6. Step 6: Final answer
    x = 29,368.06

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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.