Home / 45,371.25-68,119.45-31,297.91

Finding the Fourth Proportional to 45,371.25, 68,119.45 and 31,297.91

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Solution

The fourth proportional to 45,371.25, 68,119.45 and 31,297.91 is: 46,990.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,371.25 : 68,119.45 = 31,297.91 : x
  2. Step 2: Convert to fraction form
    45,371.25/68,119.45 = 31,297.91/x
  3. Step 3: Cross multiply
    45,371.25x = 68,119.45 × 31,297.91
  4. Step 4: Simplify right side
    45,371.25x = 2,131,995,996.51
  5. Step 5: Solve for x
    x = 2,131,995,996.51/45,371.25
  6. Step 6: Final answer
    x = 46,990.02

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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.