Home / 36,901.62-50,923.38-20,985.12

Finding the Fourth Proportional to 36,901.62, 50,923.38 and 20,985.12

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Solution

The fourth proportional to 36,901.62, 50,923.38 and 20,985.12 is: 28,958.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,901.62 : 50,923.38 = 20,985.12 : x
  2. Step 2: Convert to fraction form
    36,901.62/50,923.38 = 20,985.12/x
  3. Step 3: Cross multiply
    36,901.62x = 50,923.38 × 20,985.12
  4. Step 4: Simplify right side
    36,901.62x = 1,068,633,240.11
  5. Step 5: Solve for x
    x = 1,068,633,240.11/36,901.62
  6. Step 6: Final answer
    x = 28,958.98

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Double scale
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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.