Home / 36,485.99-50,363.10-21,383.45

Finding the Fourth Proportional to 36,485.99, 50,363.10 and 21,383.45

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Solution

The fourth proportional to 36,485.99, 50,363.10 and 21,383.45 is: 29,516.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,485.99 : 50,363.10 = 21,383.45 : x
  2. Step 2: Convert to fraction form
    36,485.99/50,363.10 = 21,383.45/x
  3. Step 3: Cross multiply
    36,485.99x = 50,363.10 × 21,383.45
  4. Step 4: Simplify right side
    36,485.99x = 1,076,936,830.70
  5. Step 5: Solve for x
    x = 1,076,936,830.70/36,485.99
  6. Step 6: Final answer
    x = 29,516.45

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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.