Home / 54,242.45-74,845.94-30,370.13

Finding the Fourth Proportional to 54,242.45, 74,845.94 and 30,370.13

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Solution

The fourth proportional to 54,242.45, 74,845.94 and 30,370.13 is: 41,905.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,242.45 : 74,845.94 = 30,370.13 : x
  2. Step 2: Convert to fraction form
    54,242.45/74,845.94 = 30,370.13/x
  3. Step 3: Cross multiply
    54,242.45x = 74,845.94 × 30,370.13
  4. Step 4: Simplify right side
    54,242.45x = 2,273,080,927.77
  5. Step 5: Solve for x
    x = 2,273,080,927.77/54,242.45
  6. Step 6: Final answer
    x = 41,905.94

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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.