Home / 51,881.45-77,832.56-18,604.10

Finding the Fourth Proportional to 51,881.45, 77,832.56 and 18,604.10

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Solution

The fourth proportional to 51,881.45, 77,832.56 and 18,604.10 is: 27,909.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,881.45 : 77,832.56 = 18,604.10 : x
  2. Step 2: Convert to fraction form
    51,881.45/77,832.56 = 18,604.10/x
  3. Step 3: Cross multiply
    51,881.45x = 77,832.56 × 18,604.10
  4. Step 4: Simplify right side
    51,881.45x = 1,448,004,970.59
  5. Step 5: Solve for x
    x = 1,448,004,970.59/51,881.45
  6. Step 6: Final answer
    x = 27,909.88

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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.