Home / 36,118.84-49,843.74-21,011.80

Finding the Fourth Proportional to 36,118.84, 49,843.74 and 21,011.80

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Solution

The fourth proportional to 36,118.84, 49,843.74 and 21,011.80 is: 28,996.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,118.84 : 49,843.74 = 21,011.80 : x
  2. Step 2: Convert to fraction form
    36,118.84/49,843.74 = 21,011.80/x
  3. Step 3: Cross multiply
    36,118.84x = 49,843.74 × 21,011.80
  4. Step 4: Simplify right side
    36,118.84x = 1,047,306,696.13
  5. Step 5: Solve for x
    x = 1,047,306,696.13/36,118.84
  6. Step 6: Final answer
    x = 28,996.13

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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.