Home / 38,730.80-58,078.92-11,022.32

Finding the Fourth Proportional to 38,730.80, 58,078.92 and 11,022.32

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Solution

The fourth proportional to 38,730.80, 58,078.92 and 11,022.32 is: 16,528.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,730.80 : 58,078.92 = 11,022.32 : x
  2. Step 2: Convert to fraction form
    38,730.80/58,078.92 = 11,022.32/x
  3. Step 3: Cross multiply
    38,730.80x = 58,078.92 × 11,022.32
  4. Step 4: Simplify right side
    38,730.80x = 640,164,441.49
  5. Step 5: Solve for x
    x = 640,164,441.49/38,730.80
  6. Step 6: Final answer
    x = 16,528.56

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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.