Home / 54,634.78-75,397.41-30,762.31

Finding the Fourth Proportional to 54,634.78, 75,397.41 and 30,762.31

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Solution

The fourth proportional to 54,634.78, 75,397.41 and 30,762.31 is: 42,452.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,634.78 : 75,397.41 = 30,762.31 : x
  2. Step 2: Convert to fraction form
    54,634.78/75,397.41 = 30,762.31/x
  3. Step 3: Cross multiply
    54,634.78x = 75,397.41 × 30,762.31
  4. Step 4: Simplify right side
    54,634.78x = 2,319,398,499.62
  5. Step 5: Solve for x
    x = 2,319,398,499.62/54,634.78
  6. Step 6: Final answer
    x = 42,452.78

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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.