Home / 30,655.72-45,983.88-16,797.16

Finding the Fourth Proportional to 30,655.72, 45,983.88 and 16,797.16

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Solution

The fourth proportional to 30,655.72, 45,983.88 and 16,797.16 is: 25,195.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,655.72 : 45,983.88 = 16,797.16 : x
  2. Step 2: Convert to fraction form
    30,655.72/45,983.88 = 16,797.16/x
  3. Step 3: Cross multiply
    30,655.72x = 45,983.88 × 16,797.16
  4. Step 4: Simplify right side
    30,655.72x = 772,398,589.78
  5. Step 5: Solve for x
    x = 772,398,589.78/30,655.72
  6. Step 6: Final answer
    x = 25,195.90

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.