Home / 54,383.24-75,051.96-30,512

Finding the Fourth Proportional to 54,383.24, 75,051.96 and 30,512

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Solution

The fourth proportional to 54,383.24, 75,051.96 and 30,512 is: 42,108.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,383.24 : 75,051.96 = 30,512 : x
  2. Step 2: Convert to fraction form
    54,383.24/75,051.96 = 30,512/x
  3. Step 3: Cross multiply
    54,383.24x = 75,051.96 × 30,512
  4. Step 4: Simplify right side
    54,383.24x = 2,289,985,403.52
  5. Step 5: Solve for x
    x = 2,289,985,403.52/54,383.24
  6. Step 6: Final answer
    x = 42,108.29

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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.