Home / 36,487.13-50,352.24-19,720.13

Finding the Fourth Proportional to 36,487.13, 50,352.24 and 19,720.13

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Solution

The fourth proportional to 36,487.13, 50,352.24 and 19,720.13 is: 27,213.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,487.13 : 50,352.24 = 19,720.13 : x
  2. Step 2: Convert to fraction form
    36,487.13/50,352.24 = 19,720.13/x
  3. Step 3: Cross multiply
    36,487.13x = 50,352.24 × 19,720.13
  4. Step 4: Simplify right side
    36,487.13x = 992,952,466.83
  5. Step 5: Solve for x
    x = 992,952,466.83/36,487.13
  6. Step 6: Final answer
    x = 27,213.78

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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.