Home / 43,947.42-65,910.69-18,973.82

Finding the Fourth Proportional to 43,947.42, 65,910.69 and 18,973.82

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Solution

The fourth proportional to 43,947.42, 65,910.69 and 18,973.82 is: 28,456.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,947.42 : 65,910.69 = 18,973.82 : x
  2. Step 2: Convert to fraction form
    43,947.42/65,910.69 = 18,973.82/x
  3. Step 3: Cross multiply
    43,947.42x = 65,910.69 × 18,973.82
  4. Step 4: Simplify right side
    43,947.42x = 1,250,577,238.58
  5. Step 5: Solve for x
    x = 1,250,577,238.58/43,947.42
  6. Step 6: Final answer
    x = 28,456.22

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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.