Home / 51,617.84-77,434.46-18,335.10

Finding the Fourth Proportional to 51,617.84, 77,434.46 and 18,335.10

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Solution

The fourth proportional to 51,617.84, 77,434.46 and 18,335.10 is: 27,505.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,617.84 : 77,434.46 = 18,335.10 : x
  2. Step 2: Convert to fraction form
    51,617.84/77,434.46 = 18,335.10/x
  3. Step 3: Cross multiply
    51,617.84x = 77,434.46 × 18,335.10
  4. Step 4: Simplify right side
    51,617.84x = 1,419,768,475.87
  5. Step 5: Solve for x
    x = 1,419,768,475.87/51,617.84
  6. Step 6: Final answer
    x = 27,505.39

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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.