Home / 40,660.01-56,164.41-31,216.56

Finding the Fourth Proportional to 40,660.01, 56,164.41 and 31,216.56

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Solution

The fourth proportional to 40,660.01, 56,164.41 and 31,216.56 is: 43,120.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,660.01 : 56,164.41 = 31,216.56 : x
  2. Step 2: Convert to fraction form
    40,660.01/56,164.41 = 31,216.56/x
  3. Step 3: Cross multiply
    40,660.01x = 56,164.41 × 31,216.56
  4. Step 4: Simplify right side
    40,660.01x = 1,753,259,674.63
  5. Step 5: Solve for x
    x = 1,753,259,674.63/40,660.01
  6. Step 6: Final answer
    x = 43,120.01

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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.