Home / 55,257.72-76,255.68-30,107.28

Finding the Fourth Proportional to 55,257.72, 76,255.68 and 30,107.28

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Solution

The fourth proportional to 55,257.72, 76,255.68 and 30,107.28 is: 41,548.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,257.72 : 76,255.68 = 30,107.28 : x
  2. Step 2: Convert to fraction form
    55,257.72/76,255.68 = 30,107.28/x
  3. Step 3: Cross multiply
    55,257.72x = 76,255.68 × 30,107.28
  4. Step 4: Simplify right side
    55,257.72x = 2,295,851,109.35
  5. Step 5: Solve for x
    x = 2,295,851,109.35/55,257.72
  6. Step 6: Final answer
    x = 41,548.06

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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.