Home / 51,661.67-77,420.33-27,918.02

Finding the Fourth Proportional to 51,661.67, 77,420.33 and 27,918.02

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Solution

The fourth proportional to 51,661.67, 77,420.33 and 27,918.02 is: 41,838.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,661.67 : 77,420.33 = 27,918.02 : x
  2. Step 2: Convert to fraction form
    51,661.67/77,420.33 = 27,918.02/x
  3. Step 3: Cross multiply
    51,661.67x = 77,420.33 × 27,918.02
  4. Step 4: Simplify right side
    51,661.67x = 2,161,422,612.96
  5. Step 5: Solve for x
    x = 2,161,422,612.96/51,661.67
  6. Step 6: Final answer
    x = 41,838.03

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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.