Home / 29,322.32-40,469.64-19,884.56

Finding the Fourth Proportional to 29,322.32, 40,469.64 and 19,884.56

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Solution

The fourth proportional to 29,322.32, 40,469.64 and 19,884.56 is: 27,443.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,322.32 : 40,469.64 = 19,884.56 : x
  2. Step 2: Convert to fraction form
    29,322.32/40,469.64 = 19,884.56/x
  3. Step 3: Cross multiply
    29,322.32x = 40,469.64 × 19,884.56
  4. Step 4: Simplify right side
    29,322.32x = 804,720,984.76
  5. Step 5: Solve for x
    x = 804,720,984.76/29,322.32
  6. Step 6: Final answer
    x = 27,443.97

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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.