Home / 51,759.90-77,656.26-18,479.26

Finding the Fourth Proportional to 51,759.90, 77,656.26 and 18,479.26

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Solution

The fourth proportional to 51,759.90, 77,656.26 and 18,479.26 is: 27,724.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,759.90 : 77,656.26 = 18,479.26 : x
  2. Step 2: Convert to fraction form
    51,759.90/77,656.26 = 18,479.26/x
  3. Step 3: Cross multiply
    51,759.90x = 77,656.26 × 18,479.26
  4. Step 4: Simplify right side
    51,759.90x = 1,435,030,219.17
  5. Step 5: Solve for x
    x = 1,435,030,219.17/51,759.90
  6. Step 6: Final answer
    x = 27,724.75

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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.