Home / 54,110.81-74,672.80-30,237.49

Finding the Fourth Proportional to 54,110.81, 74,672.80 and 30,237.49

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Solution

The fourth proportional to 54,110.81, 74,672.80 and 30,237.49 is: 41,727.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,110.81 : 74,672.80 = 30,237.49 : x
  2. Step 2: Convert to fraction form
    54,110.81/74,672.80 = 30,237.49/x
  3. Step 3: Cross multiply
    54,110.81x = 74,672.80 × 30,237.49
  4. Step 4: Simplify right side
    54,110.81x = 2,257,917,640.98
  5. Step 5: Solve for x
    x = 2,257,917,640.98/54,110.81
  6. Step 6: Final answer
    x = 41,727.66

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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.