Home / 49,942.71-68,918.18-28,722.33

Finding the Fourth Proportional to 49,942.71, 68,918.18 and 28,722.33

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Solution

The fourth proportional to 49,942.71, 68,918.18 and 28,722.33 is: 39,635.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,942.71 : 68,918.18 = 28,722.33 : x
  2. Step 2: Convert to fraction form
    49,942.71/68,918.18 = 28,722.33/x
  3. Step 3: Cross multiply
    49,942.71x = 68,918.18 × 28,722.33
  4. Step 4: Simplify right side
    49,942.71x = 1,979,490,565.35
  5. Step 5: Solve for x
    x = 1,979,490,565.35/49,942.71
  6. Step 6: Final answer
    x = 39,635.23

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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.