Home / 49,021.16-67,654.20-28,884.32

Finding the Fourth Proportional to 49,021.16, 67,654.20 and 28,884.32

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Solution

The fourth proportional to 49,021.16, 67,654.20 and 28,884.32 is: 39,863.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,021.16 : 67,654.20 = 28,884.32 : x
  2. Step 2: Convert to fraction form
    49,021.16/67,654.20 = 28,884.32/x
  3. Step 3: Cross multiply
    49,021.16x = 67,654.20 × 28,884.32
  4. Step 4: Simplify right side
    49,021.16x = 1,954,145,562.14
  5. Step 5: Solve for x
    x = 1,954,145,562.14/49,021.16
  6. Step 6: Final answer
    x = 39,863.31

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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.