Home / 54,458.72-81,518.32-41,946.40

Finding the Fourth Proportional to 54,458.72, 81,518.32 and 41,946.40

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Solution

The fourth proportional to 54,458.72, 81,518.32 and 41,946.40 is: 62,788.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,458.72 : 81,518.32 = 41,946.40 : x
  2. Step 2: Convert to fraction form
    54,458.72/81,518.32 = 41,946.40/x
  3. Step 3: Cross multiply
    54,458.72x = 81,518.32 × 41,946.40
  4. Step 4: Simplify right side
    54,458.72x = 3,419,400,058.05
  5. Step 5: Solve for x
    x = 3,419,400,058.05/54,458.72
  6. Step 6: Final answer
    x = 62,788.84

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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.