Home / 42,146.12-63,181.92-17,207

Finding the Fourth Proportional to 42,146.12, 63,181.92 and 17,207

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Solution

The fourth proportional to 42,146.12, 63,181.92 and 17,207 is: 25,795.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,146.12 : 63,181.92 = 17,207 : x
  2. Step 2: Convert to fraction form
    42,146.12/63,181.92 = 17,207/x
  3. Step 3: Cross multiply
    42,146.12x = 63,181.92 × 17,207
  4. Step 4: Simplify right side
    42,146.12x = 1,087,171,297.44
  5. Step 5: Solve for x
    x = 1,087,171,297.44/42,146.12
  6. Step 6: Final answer
    x = 25,795.29

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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.