Home / 36,509.07-50,383.17-21,412.62

Finding the Fourth Proportional to 36,509.07, 50,383.17 and 21,412.62

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Solution

The fourth proportional to 36,509.07, 50,383.17 and 21,412.62 is: 29,549.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,509.07 : 50,383.17 = 21,412.62 : x
  2. Step 2: Convert to fraction form
    36,509.07/50,383.17 = 21,412.62/x
  3. Step 3: Cross multiply
    36,509.07x = 50,383.17 × 21,412.62
  4. Step 4: Simplify right side
    36,509.07x = 1,078,835,673.61
  5. Step 5: Solve for x
    x = 1,078,835,673.61/36,509.07
  6. Step 6: Final answer
    x = 29,549.80

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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.