Home / 29,260.79-40,399.68-19,206.32

Finding the Fourth Proportional to 29,260.79, 40,399.68 and 19,206.32

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Solution

The fourth proportional to 29,260.79, 40,399.68 and 19,206.32 is: 26,517.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,260.79 : 40,399.68 = 19,206.32 : x
  2. Step 2: Convert to fraction form
    29,260.79/40,399.68 = 19,206.32/x
  3. Step 3: Cross multiply
    29,260.79x = 40,399.68 × 19,206.32
  4. Step 4: Simplify right side
    29,260.79x = 775,928,979.98
  5. Step 5: Solve for x
    x = 775,928,979.98/29,260.79
  6. Step 6: Final answer
    x = 26,517.71

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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.