Home / 54,243.96-74,859.44-30,369.21

Finding the Fourth Proportional to 54,243.96, 74,859.44 and 30,369.21

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Solution

The fourth proportional to 54,243.96, 74,859.44 and 30,369.21 is: 41,911.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,243.96 : 74,859.44 = 30,369.21 : x
  2. Step 2: Convert to fraction form
    54,243.96/74,859.44 = 30,369.21/x
  3. Step 3: Cross multiply
    54,243.96x = 74,859.44 × 30,369.21
  4. Step 4: Simplify right side
    54,243.96x = 2,273,421,902.00
  5. Step 5: Solve for x
    x = 2,273,421,902.00/54,243.96
  6. Step 6: Final answer
    x = 41,911.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.