Home / 37,630.73-51,928.20-20,631.62

Finding the Fourth Proportional to 37,630.73, 51,928.20 and 20,631.62

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Solution

The fourth proportional to 37,630.73, 51,928.20 and 20,631.62 is: 28,470.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,630.73 : 51,928.20 = 20,631.62 : x
  2. Step 2: Convert to fraction form
    37,630.73/51,928.20 = 20,631.62/x
  3. Step 3: Cross multiply
    37,630.73x = 51,928.20 × 20,631.62
  4. Step 4: Simplify right side
    37,630.73x = 1,071,362,630.04
  5. Step 5: Solve for x
    x = 1,071,362,630.04/37,630.73
  6. Step 6: Final answer
    x = 28,470.42

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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.