Home / 54,644.98-75,411.33-30,447.54

Finding the Fourth Proportional to 54,644.98, 75,411.33 and 30,447.54

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Solution

The fourth proportional to 54,644.98, 75,411.33 and 30,447.54 is: 42,018.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,644.98 : 75,411.33 = 30,447.54 : x
  2. Step 2: Convert to fraction form
    54,644.98/75,411.33 = 30,447.54/x
  3. Step 3: Cross multiply
    54,644.98x = 75,411.33 × 30,447.54
  4. Step 4: Simplify right side
    54,644.98x = 2,296,089,486.63
  5. Step 5: Solve for x
    x = 2,296,089,486.63/54,644.98
  6. Step 6: Final answer
    x = 42,018.31

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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.