Home / 49,939.71-74,899.45-18,338.92

Finding the Fourth Proportional to 49,939.71, 74,899.45 and 18,338.92

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Solution

The fourth proportional to 49,939.71, 74,899.45 and 18,338.92 is: 27,504.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,939.71 : 74,899.45 = 18,338.92 : x
  2. Step 2: Convert to fraction form
    49,939.71/74,899.45 = 18,338.92/x
  3. Step 3: Cross multiply
    49,939.71x = 74,899.45 × 18,338.92
  4. Step 4: Simplify right side
    49,939.71x = 1,373,575,021.59
  5. Step 5: Solve for x
    x = 1,373,575,021.59/49,939.71
  6. Step 6: Final answer
    x = 27,504.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.