Home / 36,043.08-49,736.49-20,930.94

Finding the Fourth Proportional to 36,043.08, 49,736.49 and 20,930.94

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Solution

The fourth proportional to 36,043.08, 49,736.49 and 20,930.94 is: 28,882.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,043.08 : 49,736.49 = 20,930.94 : x
  2. Step 2: Convert to fraction form
    36,043.08/49,736.49 = 20,930.94/x
  3. Step 3: Cross multiply
    36,043.08x = 49,736.49 × 20,930.94
  4. Step 4: Simplify right side
    36,043.08x = 1,041,031,488.00
  5. Step 5: Solve for x
    x = 1,041,031,488.00/36,043.08
  6. Step 6: Final answer
    x = 28,882.98

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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.