Home / 43,623.09-65,441.52-18,663.30

Finding the Fourth Proportional to 43,623.09, 65,441.52 and 18,663.30

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Solution

The fourth proportional to 43,623.09, 65,441.52 and 18,663.30 is: 27,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,623.09 : 65,441.52 = 18,663.30 : x
  2. Step 2: Convert to fraction form
    43,623.09/65,441.52 = 18,663.30/x
  3. Step 3: Cross multiply
    43,623.09x = 65,441.52 × 18,663.30
  4. Step 4: Simplify right side
    43,623.09x = 1,221,354,720.22
  5. Step 5: Solve for x
    x = 1,221,354,720.22/43,623.09
  6. Step 6: Final answer
    x = 27,997.90

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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.