Home / 37,968.08-52,394.63-20,972.07

Finding the Fourth Proportional to 37,968.08, 52,394.63 and 20,972.07

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Solution

The fourth proportional to 37,968.08, 52,394.63 and 20,972.07 is: 28,940.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,968.08 : 52,394.63 = 20,972.07 : x
  2. Step 2: Convert to fraction form
    37,968.08/52,394.63 = 20,972.07/x
  3. Step 3: Cross multiply
    37,968.08x = 52,394.63 × 20,972.07
  4. Step 4: Simplify right side
    37,968.08x = 1,098,823,743.12
  5. Step 5: Solve for x
    x = 1,098,823,743.12/37,968.08
  6. Step 6: Final answer
    x = 28,940.73

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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.