Home / 43,979.60-66,007.80-35,192.40

Finding the Fourth Proportional to 43,979.60, 66,007.80 and 35,192.40

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Solution

The fourth proportional to 43,979.60, 66,007.80 and 35,192.40 is: 52,819.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,979.60 : 66,007.80 = 35,192.40 : x
  2. Step 2: Convert to fraction form
    43,979.60/66,007.80 = 35,192.40/x
  3. Step 3: Cross multiply
    43,979.60x = 66,007.80 × 35,192.40
  4. Step 4: Simplify right side
    43,979.60x = 2,322,972,900.72
  5. Step 5: Solve for x
    x = 2,322,972,900.72/43,979.60
  6. Step 6: Final answer
    x = 52,819.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.