Home / 29,950.40-41,336.26-19,771.40

Finding the Fourth Proportional to 29,950.40, 41,336.26 and 19,771.40

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Solution

The fourth proportional to 29,950.40, 41,336.26 and 19,771.40 is: 27,287.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,950.40 : 41,336.26 = 19,771.40 : x
  2. Step 2: Convert to fraction form
    29,950.40/41,336.26 = 19,771.40/x
  3. Step 3: Cross multiply
    29,950.40x = 41,336.26 × 19,771.40
  4. Step 4: Simplify right side
    29,950.40x = 817,275,730.96
  5. Step 5: Solve for x
    x = 817,275,730.96/29,950.40
  6. Step 6: Final answer
    x = 27,287.64

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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.