Home / 42,462.44-63,702.82-12,882.66

Finding the Fourth Proportional to 42,462.44, 63,702.82 and 12,882.66

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Solution

The fourth proportional to 42,462.44, 63,702.82 and 12,882.66 is: 19,326.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,462.44 : 63,702.82 = 12,882.66 : x
  2. Step 2: Convert to fraction form
    42,462.44/63,702.82 = 12,882.66/x
  3. Step 3: Cross multiply
    42,462.44x = 63,702.82 × 12,882.66
  4. Step 4: Simplify right side
    42,462.44x = 820,661,548.32
  5. Step 5: Solve for x
    x = 820,661,548.32/42,462.44
  6. Step 6: Final answer
    x = 19,326.76

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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.