Home / 51,829.93-77,761.32-18,549.25

Finding the Fourth Proportional to 51,829.93, 77,761.32 and 18,549.25

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Solution

The fourth proportional to 51,829.93, 77,761.32 and 18,549.25 is: 27,829.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,829.93 : 77,761.32 = 18,549.25 : x
  2. Step 2: Convert to fraction form
    51,829.93/77,761.32 = 18,549.25/x
  3. Step 3: Cross multiply
    51,829.93x = 77,761.32 × 18,549.25
  4. Step 4: Simplify right side
    51,829.93x = 1,442,414,165.01
  5. Step 5: Solve for x
    x = 1,442,414,165.01/51,829.93
  6. Step 6: Final answer
    x = 27,829.75

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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.