Home / 54,280.13-74,906.57-30,406.79

Finding the Fourth Proportional to 54,280.13, 74,906.57 and 30,406.79

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Solution

The fourth proportional to 54,280.13, 74,906.57 and 30,406.79 is: 41,961.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,280.13 : 74,906.57 = 30,406.79 : x
  2. Step 2: Convert to fraction form
    54,280.13/74,906.57 = 30,406.79/x
  3. Step 3: Cross multiply
    54,280.13x = 74,906.57 × 30,406.79
  4. Step 4: Simplify right side
    54,280.13x = 2,277,668,606.89
  5. Step 5: Solve for x
    x = 2,277,668,606.89/54,280.13
  6. Step 6: Final answer
    x = 41,961.37

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1.5x scale

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.