Home / 36,102.84-49,821.66-20,995.80

Finding the Fourth Proportional to 36,102.84, 49,821.66 and 20,995.80

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Solution

The fourth proportional to 36,102.84, 49,821.66 and 20,995.80 is: 28,974.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,102.84 : 49,821.66 = 20,995.80 : x
  2. Step 2: Convert to fraction form
    36,102.84/49,821.66 = 20,995.80/x
  3. Step 3: Cross multiply
    36,102.84x = 49,821.66 × 20,995.80
  4. Step 4: Simplify right side
    36,102.84x = 1,046,045,609.03
  5. Step 5: Solve for x
    x = 1,046,045,609.03/36,102.84
  6. Step 6: Final answer
    x = 28,974.05

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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.