Home / 36,914.44-50,939.28-20,780.92

Finding the Fourth Proportional to 36,914.44, 50,939.28 and 20,780.92

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Solution

The fourth proportional to 36,914.44, 50,939.28 and 20,780.92 is: 28,676.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,914.44 : 50,939.28 = 20,780.92 : x
  2. Step 2: Convert to fraction form
    36,914.44/50,939.28 = 20,780.92/x
  3. Step 3: Cross multiply
    36,914.44x = 50,939.28 × 20,780.92
  4. Step 4: Simplify right side
    36,914.44x = 1,058,564,925.77
  5. Step 5: Solve for x
    x = 1,058,564,925.77/36,914.44
  6. Step 6: Final answer
    x = 28,676.18

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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.