Home / 41,147.56-56,754.36-28,405.60

Finding the Fourth Proportional to 41,147.56, 56,754.36 and 28,405.60

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Solution

The fourth proportional to 41,147.56, 56,754.36 and 28,405.60 is: 39,179.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,147.56 : 56,754.36 = 28,405.60 : x
  2. Step 2: Convert to fraction form
    41,147.56/56,754.36 = 28,405.60/x
  3. Step 3: Cross multiply
    41,147.56x = 56,754.36 × 28,405.60
  4. Step 4: Simplify right side
    41,147.56x = 1,612,141,648.42
  5. Step 5: Solve for x
    x = 1,612,141,648.42/41,147.56
  6. Step 6: Final answer
    x = 39,179.52

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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.