Home / 42,549.29-63,826.33-12,968.09

Finding the Fourth Proportional to 42,549.29, 63,826.33 and 12,968.09

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Solution

The fourth proportional to 42,549.29, 63,826.33 and 12,968.09 is: 19,452.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,549.29 : 63,826.33 = 12,968.09 : x
  2. Step 2: Convert to fraction form
    42,549.29/63,826.33 = 12,968.09/x
  3. Step 3: Cross multiply
    42,549.29x = 63,826.33 × 12,968.09
  4. Step 4: Simplify right side
    42,549.29x = 827,705,464.66
  5. Step 5: Solve for x
    x = 827,705,464.66/42,549.29
  6. Step 6: Final answer
    x = 19,452.86

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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.