Home / 37,841.92-52,221.23-20,847.78

Finding the Fourth Proportional to 37,841.92, 52,221.23 and 20,847.78

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Solution

The fourth proportional to 37,841.92, 52,221.23 and 20,847.78 is: 28,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,841.92 : 52,221.23 = 20,847.78 : x
  2. Step 2: Convert to fraction form
    37,841.92/52,221.23 = 20,847.78/x
  3. Step 3: Cross multiply
    37,841.92x = 52,221.23 × 20,847.78
  4. Step 4: Simplify right side
    37,841.92x = 1,088,696,714.37
  5. Step 5: Solve for x
    x = 1,088,696,714.37/37,841.92
  6. Step 6: Final answer
    x = 28,769.60

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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.