Home / 36,209.76-49,964.61-20,896.89

Finding the Fourth Proportional to 36,209.76, 49,964.61 and 20,896.89

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Solution

The fourth proportional to 36,209.76, 49,964.61 and 20,896.89 is: 28,834.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,209.76 : 49,964.61 = 20,896.89 : x
  2. Step 2: Convert to fraction form
    36,209.76/49,964.61 = 20,896.89/x
  3. Step 3: Cross multiply
    36,209.76x = 49,964.61 × 20,896.89
  4. Step 4: Simplify right side
    36,209.76x = 1,044,104,959.06
  5. Step 5: Solve for x
    x = 1,044,104,959.06/36,209.76
  6. Step 6: Final answer
    x = 28,834.90

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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.