Home / 42,679.48-64,027.46-16,382.17

Finding the Fourth Proportional to 42,679.48, 64,027.46 and 16,382.17

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Solution

The fourth proportional to 42,679.48, 64,027.46 and 16,382.17 is: 24,576.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,679.48 : 64,027.46 = 16,382.17 : x
  2. Step 2: Convert to fraction form
    42,679.48/64,027.46 = 16,382.17/x
  3. Step 3: Cross multiply
    42,679.48x = 64,027.46 × 16,382.17
  4. Step 4: Simplify right side
    42,679.48x = 1,048,908,734.39
  5. Step 5: Solve for x
    x = 1,048,908,734.39/42,679.48
  6. Step 6: Final answer
    x = 24,576.42

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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.