Home / 37,988.92-52,423.77-20,992.29

Finding the Fourth Proportional to 37,988.92, 52,423.77 and 20,992.29

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Solution

The fourth proportional to 37,988.92, 52,423.77 and 20,992.29 is: 28,968.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,988.92 : 52,423.77 = 20,992.29 : x
  2. Step 2: Convert to fraction form
    37,988.92/52,423.77 = 20,992.29/x
  3. Step 3: Cross multiply
    37,988.92x = 52,423.77 × 20,992.29
  4. Step 4: Simplify right side
    37,988.92x = 1,100,494,982.73
  5. Step 5: Solve for x
    x = 1,100,494,982.73/37,988.92
  6. Step 6: Final answer
    x = 28,968.84

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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.