Home / 54,079.12-81,121.56-16,664.89

Finding the Fourth Proportional to 54,079.12, 81,121.56 and 16,664.89

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Solution

The fourth proportional to 54,079.12, 81,121.56 and 16,664.89 is: 24,998.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,079.12 : 81,121.56 = 16,664.89 : x
  2. Step 2: Convert to fraction form
    54,079.12/81,121.56 = 16,664.89/x
  3. Step 3: Cross multiply
    54,079.12x = 81,121.56 × 16,664.89
  4. Step 4: Simplify right side
    54,079.12x = 1,351,881,468.42
  5. Step 5: Solve for x
    x = 1,351,881,468.42/54,079.12
  6. Step 6: Final answer
    x = 24,998.22

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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.