Home / 54,460.96-81,670.88-21,176.84

Finding the Fourth Proportional to 54,460.96, 81,670.88 and 21,176.84

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Solution

The fourth proportional to 54,460.96, 81,670.88 and 21,176.84 is: 31,757.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,460.96 : 81,670.88 = 21,176.84 : x
  2. Step 2: Convert to fraction form
    54,460.96/81,670.88 = 21,176.84/x
  3. Step 3: Cross multiply
    54,460.96x = 81,670.88 × 21,176.84
  4. Step 4: Simplify right side
    54,460.96x = 1,729,531,415.54
  5. Step 5: Solve for x
    x = 1,729,531,415.54/54,460.96
  6. Step 6: Final answer
    x = 31,757.27

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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.