Home / 54,261.63-74,881.67-30,388.50

Finding the Fourth Proportional to 54,261.63, 74,881.67 and 30,388.50

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Solution

The fourth proportional to 54,261.63, 74,881.67 and 30,388.50 is: 41,936.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,261.63 : 74,881.67 = 30,388.50 : x
  2. Step 2: Convert to fraction form
    54,261.63/74,881.67 = 30,388.50/x
  3. Step 3: Cross multiply
    54,261.63x = 74,881.67 × 30,388.50
  4. Step 4: Simplify right side
    54,261.63x = 2,275,541,476.85
  5. Step 5: Solve for x
    x = 2,275,541,476.85/54,261.63
  6. Step 6: Final answer
    x = 41,936.47

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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.