Home / 39,977.83-55,169.61-22,072.87

Finding the Fourth Proportional to 39,977.83, 55,169.61 and 22,072.87

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Solution

The fourth proportional to 39,977.83, 55,169.61 and 22,072.87 is: 30,460.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,977.83 : 55,169.61 = 22,072.87 : x
  2. Step 2: Convert to fraction form
    39,977.83/55,169.61 = 22,072.87/x
  3. Step 3: Cross multiply
    39,977.83x = 55,169.61 × 22,072.87
  4. Step 4: Simplify right side
    39,977.83x = 1,217,751,629.48
  5. Step 5: Solve for x
    x = 1,217,751,629.48/39,977.83
  6. Step 6: Final answer
    x = 30,460.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.