Home / 40,778.37-56,277-22,630.03

Finding the Fourth Proportional to 40,778.37, 56,277 and 22,630.03

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Solution

The fourth proportional to 40,778.37, 56,277 and 22,630.03 is: 31,231.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,778.37 : 56,277 = 22,630.03 : x
  2. Step 2: Convert to fraction form
    40,778.37/56,277 = 22,630.03/x
  3. Step 3: Cross multiply
    40,778.37x = 56,277 × 22,630.03
  4. Step 4: Simplify right side
    40,778.37x = 1,273,550,057.62
  5. Step 5: Solve for x
    x = 1,273,550,057.62/40,778.37
  6. Step 6: Final answer
    x = 31,231.02

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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.