Home / 43,538.91-65,308.32-11,949.32

Finding the Fourth Proportional to 43,538.91, 65,308.32 and 11,949.32

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Solution

The fourth proportional to 43,538.91, 65,308.32 and 11,949.32 is: 17,923.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,538.91 : 65,308.32 = 11,949.32 : x
  2. Step 2: Convert to fraction form
    43,538.91/65,308.32 = 11,949.32/x
  3. Step 3: Cross multiply
    43,538.91x = 65,308.32 × 11,949.32
  4. Step 4: Simplify right side
    43,538.91x = 780,390,014.34
  5. Step 5: Solve for x
    x = 780,390,014.34/43,538.91
  6. Step 6: Final answer
    x = 17,923.97

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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.