Home / 54,280.71-74,906.51-30,407.31

Finding the Fourth Proportional to 54,280.71, 74,906.51 and 30,407.31

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Solution

The fourth proportional to 54,280.71, 74,906.51 and 30,407.31 is: 41,961.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,280.71 : 74,906.51 = 30,407.31 : x
  2. Step 2: Convert to fraction form
    54,280.71/74,906.51 = 30,407.31/x
  3. Step 3: Cross multiply
    54,280.71x = 74,906.51 × 30,407.31
  4. Step 4: Simplify right side
    54,280.71x = 2,277,705,318.55
  5. Step 5: Solve for x
    x = 2,277,705,318.55/54,280.71
  6. Step 6: Final answer
    x = 41,961.60

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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.