Home / 43,947.18-65,932.02-12,782.46

Finding the Fourth Proportional to 43,947.18, 65,932.02 and 12,782.46

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Solution

The fourth proportional to 43,947.18, 65,932.02 and 12,782.46 is: 19,176.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,947.18 : 65,932.02 = 12,782.46 : x
  2. Step 2: Convert to fraction form
    43,947.18/65,932.02 = 12,782.46/x
  3. Step 3: Cross multiply
    43,947.18x = 65,932.02 × 12,782.46
  4. Step 4: Simplify right side
    43,947.18x = 842,773,408.37
  5. Step 5: Solve for x
    x = 842,773,408.37/43,947.18
  6. Step 6: Final answer
    x = 19,176.96

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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.