Home / 30,659.24-45,991.87-11,940.82

Finding the Fourth Proportional to 30,659.24, 45,991.87 and 11,940.82

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Solution

The fourth proportional to 30,659.24, 45,991.87 and 11,940.82 is: 17,912.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,659.24 : 45,991.87 = 11,940.82 : x
  2. Step 2: Convert to fraction form
    30,659.24/45,991.87 = 11,940.82/x
  3. Step 3: Cross multiply
    30,659.24x = 45,991.87 × 11,940.82
  4. Step 4: Simplify right side
    30,659.24x = 549,180,496.30
  5. Step 5: Solve for x
    x = 549,180,496.30/30,659.24
  6. Step 6: Final answer
    x = 17,912.40

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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.