Home / 39,977.96-55,169.21-22,073.09

Finding the Fourth Proportional to 39,977.96, 55,169.21 and 22,073.09

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Solution

The fourth proportional to 39,977.96, 55,169.21 and 22,073.09 is: 30,460.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,977.96 : 55,169.21 = 22,073.09 : x
  2. Step 2: Convert to fraction form
    39,977.96/55,169.21 = 22,073.09/x
  3. Step 3: Cross multiply
    39,977.96x = 55,169.21 × 22,073.09
  4. Step 4: Simplify right side
    39,977.96x = 1,217,754,758.23
  5. Step 5: Solve for x
    x = 1,217,754,758.23/39,977.96
  6. Step 6: Final answer
    x = 30,460.66

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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.