Home / 43,947.20-65,932.02-12,782.44

Finding the Fourth Proportional to 43,947.20, 65,932.02 and 12,782.44

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Solution

The fourth proportional to 43,947.20, 65,932.02 and 12,782.44 is: 19,176.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,947.20 : 65,932.02 = 12,782.44 : x
  2. Step 2: Convert to fraction form
    43,947.20/65,932.02 = 12,782.44/x
  3. Step 3: Cross multiply
    43,947.20x = 65,932.02 × 12,782.44
  4. Step 4: Simplify right side
    43,947.20x = 842,772,089.73
  5. Step 5: Solve for x
    x = 842,772,089.73/43,947.20
  6. Step 6: Final answer
    x = 19,176.92

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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.