Home / 42,620.14-63,930.76-16,326.46

Finding the Fourth Proportional to 42,620.14, 63,930.76 and 16,326.46

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Solution

The fourth proportional to 42,620.14, 63,930.76 and 16,326.46 is: 24,489.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,620.14 : 63,930.76 = 16,326.46 : x
  2. Step 2: Convert to fraction form
    42,620.14/63,930.76 = 16,326.46/x
  3. Step 3: Cross multiply
    42,620.14x = 63,930.76 × 16,326.46
  4. Step 4: Simplify right side
    42,620.14x = 1,043,762,995.91
  5. Step 5: Solve for x
    x = 1,043,762,995.91/42,620.14
  6. Step 6: Final answer
    x = 24,489.90

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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.