Home / 42,562.14-63,845.64-12,982.02

Finding the Fourth Proportional to 42,562.14, 63,845.64 and 12,982.02

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Solution

The fourth proportional to 42,562.14, 63,845.64 and 12,982.02 is: 19,473.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,562.14 : 63,845.64 = 12,982.02 : x
  2. Step 2: Convert to fraction form
    42,562.14/63,845.64 = 12,982.02/x
  3. Step 3: Cross multiply
    42,562.14x = 63,845.64 × 12,982.02
  4. Step 4: Simplify right side
    42,562.14x = 828,845,375.39
  5. Step 5: Solve for x
    x = 828,845,375.39/42,562.14
  6. Step 6: Final answer
    x = 19,473.77

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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.