Home / 54,278.88-81,419.91-46,331.28

Finding the Fourth Proportional to 54,278.88, 81,419.91 and 46,331.28

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Solution

The fourth proportional to 54,278.88, 81,419.91 and 46,331.28 is: 69,498.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,278.88 : 81,419.91 = 46,331.28 : x
  2. Step 2: Convert to fraction form
    54,278.88/81,419.91 = 46,331.28/x
  3. Step 3: Cross multiply
    54,278.88x = 81,419.91 × 46,331.28
  4. Step 4: Simplify right side
    54,278.88x = 3,772,288,647.78
  5. Step 5: Solve for x
    x = 3,772,288,647.78/54,278.88
  6. Step 6: Final answer
    x = 69,498.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.