Home / 55,296.96-82,954.56-20,285.76

Finding the Fourth Proportional to 55,296.96, 82,954.56 and 20,285.76

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Solution

The fourth proportional to 55,296.96, 82,954.56 and 20,285.76 is: 30,431.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,296.96 : 82,954.56 = 20,285.76 : x
  2. Step 2: Convert to fraction form
    55,296.96/82,954.56 = 20,285.76/x
  3. Step 3: Cross multiply
    55,296.96x = 82,954.56 × 20,285.76
  4. Step 4: Simplify right side
    55,296.96x = 1,682,796,295.07
  5. Step 5: Solve for x
    x = 1,682,796,295.07/55,296.96
  6. Step 6: Final answer
    x = 30,431.99

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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.