Home / 54,146.19-74,722.73-30,270.32

Finding the Fourth Proportional to 54,146.19, 74,722.73 and 30,270.32

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Solution

The fourth proportional to 54,146.19, 74,722.73 and 30,270.32 is: 41,773.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,146.19 : 74,722.73 = 30,270.32 : x
  2. Step 2: Convert to fraction form
    54,146.19/74,722.73 = 30,270.32/x
  3. Step 3: Cross multiply
    54,146.19x = 74,722.73 × 30,270.32
  4. Step 4: Simplify right side
    54,146.19x = 2,261,880,423.41
  5. Step 5: Solve for x
    x = 2,261,880,423.41/54,146.19
  6. Step 6: Final answer
    x = 41,773.58

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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.