Home / 54,445.72-81,660.78-16,997.08

Finding the Fourth Proportional to 54,445.72, 81,660.78 and 16,997.08

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Solution

The fourth proportional to 54,445.72, 81,660.78 and 16,997.08 is: 25,493.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,445.72 : 81,660.78 = 16,997.08 : x
  2. Step 2: Convert to fraction form
    54,445.72/81,660.78 = 16,997.08/x
  3. Step 3: Cross multiply
    54,445.72x = 81,660.78 × 16,997.08
  4. Step 4: Simplify right side
    54,445.72x = 1,387,994,810.52
  5. Step 5: Solve for x
    x = 1,387,994,810.52/54,445.72
  6. Step 6: Final answer
    x = 25,493.18

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1.5x scale

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.