Home / 51,828.96-77,694.19-20,259.26

Finding the Fourth Proportional to 51,828.96, 77,694.19 and 20,259.26

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Solution

The fourth proportional to 51,828.96, 77,694.19 and 20,259.26 is: 30,369.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,828.96 : 77,694.19 = 20,259.26 : x
  2. Step 2: Convert to fraction form
    51,828.96/77,694.19 = 20,259.26/x
  3. Step 3: Cross multiply
    51,828.96x = 77,694.19 × 20,259.26
  4. Step 4: Simplify right side
    51,828.96x = 1,574,027,084.96
  5. Step 5: Solve for x
    x = 1,574,027,084.96/51,828.96
  6. Step 6: Final answer
    x = 30,369.64

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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.