Home / 37,766.58-52,115.85-20,998.50

Finding the Fourth Proportional to 37,766.58, 52,115.85 and 20,998.50

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Solution

The fourth proportional to 37,766.58, 52,115.85 and 20,998.50 is: 28,976.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,766.58 : 52,115.85 = 20,998.50 : x
  2. Step 2: Convert to fraction form
    37,766.58/52,115.85 = 20,998.50/x
  3. Step 3: Cross multiply
    37,766.58x = 52,115.85 × 20,998.50
  4. Step 4: Simplify right side
    37,766.58x = 1,094,354,676.23
  5. Step 5: Solve for x
    x = 1,094,354,676.23/37,766.58
  6. Step 6: Final answer
    x = 28,976.80

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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.