Home / 36,609.36-50,512.32-21,501.12

Finding the Fourth Proportional to 36,609.36, 50,512.32 and 21,501.12

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Solution

The fourth proportional to 36,609.36, 50,512.32 and 21,501.12 is: 29,666.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,609.36 : 50,512.32 = 21,501.12 : x
  2. Step 2: Convert to fraction form
    36,609.36/50,512.32 = 21,501.12/x
  3. Step 3: Cross multiply
    36,609.36x = 50,512.32 × 21,501.12
  4. Step 4: Simplify right side
    36,609.36x = 1,086,071,453.80
  5. Step 5: Solve for x
    x = 1,086,071,453.80/36,609.36
  6. Step 6: Final answer
    x = 29,666.50

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Double scale
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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.