Home / 35,971.12-53,972.23-19,311.69

Finding the Fourth Proportional to 35,971.12, 53,972.23 and 19,311.69

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Solution

The fourth proportional to 35,971.12, 53,972.23 and 19,311.69 is: 28,975.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,971.12 : 53,972.23 = 19,311.69 : x
  2. Step 2: Convert to fraction form
    35,971.12/53,972.23 = 19,311.69/x
  3. Step 3: Cross multiply
    35,971.12x = 53,972.23 × 19,311.69
  4. Step 4: Simplify right side
    35,971.12x = 1,042,294,974.37
  5. Step 5: Solve for x
    x = 1,042,294,974.37/35,971.12
  6. Step 6: Final answer
    x = 28,975.88

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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.