Home / 42,121.17-63,181.96-17,161.47

Finding the Fourth Proportional to 42,121.17, 63,181.96 and 17,161.47

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Solution

The fourth proportional to 42,121.17, 63,181.96 and 17,161.47 is: 25,742.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,121.17 : 63,181.96 = 17,161.47 : x
  2. Step 2: Convert to fraction form
    42,121.17/63,181.96 = 17,161.47/x
  3. Step 3: Cross multiply
    42,121.17x = 63,181.96 × 17,161.47
  4. Step 4: Simplify right side
    42,121.17x = 1,084,295,268.18
  5. Step 5: Solve for x
    x = 1,084,295,268.18/42,121.17
  6. Step 6: Final answer
    x = 25,742.29

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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.