Home / 36,204.40-49,963.44-21,106.78

Finding the Fourth Proportional to 36,204.40, 49,963.44 and 21,106.78

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Solution

The fourth proportional to 36,204.40, 49,963.44 and 21,106.78 is: 29,128.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,204.40 : 49,963.44 = 21,106.78 : x
  2. Step 2: Convert to fraction form
    36,204.40/49,963.44 = 21,106.78/x
  3. Step 3: Cross multiply
    36,204.40x = 49,963.44 × 21,106.78
  4. Step 4: Simplify right side
    36,204.40x = 1,054,567,336.12
  5. Step 5: Solve for x
    x = 1,054,567,336.12/36,204.40
  6. Step 6: Final answer
    x = 29,128.15

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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.