Home / 51,170.18-76,722.44-21,580.07

Finding the Fourth Proportional to 51,170.18, 76,722.44 and 21,580.07

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Solution

The fourth proportional to 51,170.18, 76,722.44 and 21,580.07 is: 32,356.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,170.18 : 76,722.44 = 21,580.07 : x
  2. Step 2: Convert to fraction form
    51,170.18/76,722.44 = 21,580.07/x
  3. Step 3: Cross multiply
    51,170.18x = 76,722.44 × 21,580.07
  4. Step 4: Simplify right side
    51,170.18x = 1,655,675,134.26
  5. Step 5: Solve for x
    x = 1,655,675,134.26/51,170.18
  6. Step 6: Final answer
    x = 32,356.25

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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.