Home / 53,899.92-74,383.79-30,028.05

Finding the Fourth Proportional to 53,899.92, 74,383.79 and 30,028.05

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Solution

The fourth proportional to 53,899.92, 74,383.79 and 30,028.05 is: 41,439.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,899.92 : 74,383.79 = 30,028.05 : x
  2. Step 2: Convert to fraction form
    53,899.92/74,383.79 = 30,028.05/x
  3. Step 3: Cross multiply
    53,899.92x = 74,383.79 × 30,028.05
  4. Step 4: Simplify right side
    53,899.92x = 2,233,600,015.17
  5. Step 5: Solve for x
    x = 2,233,600,015.17/53,899.92
  6. Step 6: Final answer
    x = 41,439.76

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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.