Home / 51,687.40-77,481.88-16,602.46

Finding the Fourth Proportional to 51,687.40, 77,481.88 and 16,602.46

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Solution

The fourth proportional to 51,687.40, 77,481.88 and 16,602.46 is: 24,887.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,687.40 : 77,481.88 = 16,602.46 : x
  2. Step 2: Convert to fraction form
    51,687.40/77,481.88 = 16,602.46/x
  3. Step 3: Cross multiply
    51,687.40x = 77,481.88 × 16,602.46
  4. Step 4: Simplify right side
    51,687.40x = 1,286,389,813.42
  5. Step 5: Solve for x
    x = 1,286,389,813.42/51,687.40
  6. Step 6: Final answer
    x = 24,887.88

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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.