Home / 39,977.78-55,169.08-22,072.62

Finding the Fourth Proportional to 39,977.78, 55,169.08 and 22,072.62

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Solution

The fourth proportional to 39,977.78, 55,169.08 and 22,072.62 is: 30,460.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,977.78 : 55,169.08 = 22,072.62 : x
  2. Step 2: Convert to fraction form
    39,977.78/55,169.08 = 22,072.62/x
  3. Step 3: Cross multiply
    39,977.78x = 55,169.08 × 22,072.62
  4. Step 4: Simplify right side
    39,977.78x = 1,217,726,290.29
  5. Step 5: Solve for x
    x = 1,217,726,290.29/39,977.78
  6. Step 6: Final answer
    x = 30,460.08

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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.