Home / 51,190.59-76,796.33-21,608.40

Finding the Fourth Proportional to 51,190.59, 76,796.33 and 21,608.40

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Solution

The fourth proportional to 51,190.59, 76,796.33 and 21,608.40 is: 32,417.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,190.59 : 76,796.33 = 21,608.40 : x
  2. Step 2: Convert to fraction form
    51,190.59/76,796.33 = 21,608.40/x
  3. Step 3: Cross multiply
    51,190.59x = 76,796.33 × 21,608.40
  4. Step 4: Simplify right side
    51,190.59x = 1,659,445,709.13
  5. Step 5: Solve for x
    x = 1,659,445,709.13/51,190.59
  6. Step 6: Final answer
    x = 32,417.01

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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.