Home / 40,914.45-56,464.70-30,825.09

Finding the Fourth Proportional to 40,914.45, 56,464.70 and 30,825.09

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Solution

The fourth proportional to 40,914.45, 56,464.70 and 30,825.09 is: 42,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,914.45 : 56,464.70 = 30,825.09 : x
  2. Step 2: Convert to fraction form
    40,914.45/56,464.70 = 30,825.09/x
  3. Step 3: Cross multiply
    40,914.45x = 56,464.70 × 30,825.09
  4. Step 4: Simplify right side
    40,914.45x = 1,740,529,305.20
  5. Step 5: Solve for x
    x = 1,740,529,305.20/40,914.45
  6. Step 6: Final answer
    x = 42,540.70

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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.