Home / 29,040.66-40,061.36-18,975

Finding the Fourth Proportional to 29,040.66, 40,061.36 and 18,975

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Solution

The fourth proportional to 29,040.66, 40,061.36 and 18,975 is: 26,175.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,040.66 : 40,061.36 = 18,975 : x
  2. Step 2: Convert to fraction form
    29,040.66/40,061.36 = 18,975/x
  3. Step 3: Cross multiply
    29,040.66x = 40,061.36 × 18,975
  4. Step 4: Simplify right side
    29,040.66x = 760,164,306
  5. Step 5: Solve for x
    x = 760,164,306/29,040.66
  6. Step 6: Final answer
    x = 26,175.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.