Home / 54,112.26-81,168.48-19,043.76

Finding the Fourth Proportional to 54,112.26, 81,168.48 and 19,043.76

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Solution

The fourth proportional to 54,112.26, 81,168.48 and 19,043.76 is: 28,565.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,112.26 : 81,168.48 = 19,043.76 : x
  2. Step 2: Convert to fraction form
    54,112.26/81,168.48 = 19,043.76/x
  3. Step 3: Cross multiply
    54,112.26x = 81,168.48 × 19,043.76
  4. Step 4: Simplify right side
    54,112.26x = 1,545,753,052.68
  5. Step 5: Solve for x
    x = 1,545,753,052.68/54,112.26
  6. Step 6: Final answer
    x = 28,565.67

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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.