Home / 55,166.34-82,761.93-20,106.12

Finding the Fourth Proportional to 55,166.34, 82,761.93 and 20,106.12

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Solution

The fourth proportional to 55,166.34, 82,761.93 and 20,106.12 is: 30,163.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,166.34 : 82,761.93 = 20,106.12 : x
  2. Step 2: Convert to fraction form
    55,166.34/82,761.93 = 20,106.12/x
  3. Step 3: Cross multiply
    55,166.34x = 82,761.93 × 20,106.12
  4. Step 4: Simplify right side
    55,166.34x = 1,664,021,296.01
  5. Step 5: Solve for x
    x = 1,664,021,296.01/55,166.34
  6. Step 6: Final answer
    x = 30,163.71

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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.