Home / 49,430.57-68,195.18-28,198.58

Finding the Fourth Proportional to 49,430.57, 68,195.18 and 28,198.58

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Solution

The fourth proportional to 49,430.57, 68,195.18 and 28,198.58 is: 38,903.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,430.57 : 68,195.18 = 28,198.58 : x
  2. Step 2: Convert to fraction form
    49,430.57/68,195.18 = 28,198.58/x
  3. Step 3: Cross multiply
    49,430.57x = 68,195.18 × 28,198.58
  4. Step 4: Simplify right side
    49,430.57x = 1,923,006,968.36
  5. Step 5: Solve for x
    x = 1,923,006,968.36/49,430.57
  6. Step 6: Final answer
    x = 38,903.20

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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.