Home / 51,687.37-77,544.72-27,984.39

Finding the Fourth Proportional to 51,687.37, 77,544.72 and 27,984.39

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Solution

The fourth proportional to 51,687.37, 77,544.72 and 27,984.39 is: 41,983.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,687.37 : 77,544.72 = 27,984.39 : x
  2. Step 2: Convert to fraction form
    51,687.37/77,544.72 = 27,984.39/x
  3. Step 3: Cross multiply
    51,687.37x = 77,544.72 × 27,984.39
  4. Step 4: Simplify right side
    51,687.37x = 2,170,041,686.92
  5. Step 5: Solve for x
    x = 2,170,041,686.92/51,687.37
  6. Step 6: Final answer
    x = 41,983.98

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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.