Home / 54,212.09-74,812.14-30,338.93

Finding the Fourth Proportional to 54,212.09, 74,812.14 and 30,338.93

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Solution

The fourth proportional to 54,212.09, 74,812.14 and 30,338.93 is: 41,867.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,212.09 : 74,812.14 = 30,338.93 : x
  2. Step 2: Convert to fraction form
    54,212.09/74,812.14 = 30,338.93/x
  3. Step 3: Cross multiply
    54,212.09x = 74,812.14 × 30,338.93
  4. Step 4: Simplify right side
    54,212.09x = 2,269,720,383.22
  5. Step 5: Solve for x
    x = 2,269,720,383.22/54,212.09
  6. Step 6: Final answer
    x = 41,867.42

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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.