Home / 37,624.91-51,921.61-20,857.91

Finding the Fourth Proportional to 37,624.91, 51,921.61 and 20,857.91

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Solution

The fourth proportional to 37,624.91, 51,921.61 and 20,857.91 is: 28,783.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,624.91 : 51,921.61 = 20,857.91 : x
  2. Step 2: Convert to fraction form
    37,624.91/51,921.61 = 20,857.91/x
  3. Step 3: Cross multiply
    37,624.91x = 51,921.61 × 20,857.91
  4. Step 4: Simplify right side
    37,624.91x = 1,082,975,956.68
  5. Step 5: Solve for x
    x = 1,082,975,956.68/37,624.91
  6. Step 6: Final answer
    x = 28,783.49

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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.