Home / 43,947.54-65,934.99-12,782.88

Finding the Fourth Proportional to 43,947.54, 65,934.99 and 12,782.88

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Solution

The fourth proportional to 43,947.54, 65,934.99 and 12,782.88 is: 19,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,947.54 : 65,934.99 = 12,782.88 : x
  2. Step 2: Convert to fraction form
    43,947.54/65,934.99 = 12,782.88/x
  3. Step 3: Cross multiply
    43,947.54x = 65,934.99 × 12,782.88
  4. Step 4: Simplify right side
    43,947.54x = 842,839,064.97
  5. Step 5: Solve for x
    x = 842,839,064.97/43,947.54
  6. Step 6: Final answer
    x = 19,178.30

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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.