Home / 39,977.34-55,170.89-22,072.29

Finding the Fourth Proportional to 39,977.34, 55,170.89 and 22,072.29

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Solution

The fourth proportional to 39,977.34, 55,170.89 and 22,072.29 is: 30,460.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,977.34 : 55,170.89 = 22,072.29 : x
  2. Step 2: Convert to fraction form
    39,977.34/55,170.89 = 22,072.29/x
  3. Step 3: Cross multiply
    39,977.34x = 55,170.89 × 22,072.29
  4. Step 4: Simplify right side
    39,977.34x = 1,217,747,883.64
  5. Step 5: Solve for x
    x = 1,217,747,883.64/39,977.34
  6. Step 6: Final answer
    x = 30,460.95

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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.