Home / 43,536.91-65,305.32-11,947.32

Finding the Fourth Proportional to 43,536.91, 65,305.32 and 11,947.32

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Solution

The fourth proportional to 43,536.91, 65,305.32 and 11,947.32 is: 17,920.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,536.91 : 65,305.32 = 11,947.32 : x
  2. Step 2: Convert to fraction form
    43,536.91/65,305.32 = 11,947.32/x
  3. Step 3: Cross multiply
    43,536.91x = 65,305.32 × 11,947.32
  4. Step 4: Simplify right side
    43,536.91x = 780,223,555.74
  5. Step 5: Solve for x
    x = 780,223,555.74/43,536.91
  6. Step 6: Final answer
    x = 17,920.97

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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.