Home / 51,711.84-77,448.24-30,889.44

Finding the Fourth Proportional to 51,711.84, 77,448.24 and 30,889.44

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Solution

The fourth proportional to 51,711.84, 77,448.24 and 30,889.44 is: 46,262.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,711.84 : 77,448.24 = 30,889.44 : x
  2. Step 2: Convert to fraction form
    51,711.84/77,448.24 = 30,889.44/x
  3. Step 3: Cross multiply
    51,711.84x = 77,448.24 × 30,889.44
  4. Step 4: Simplify right side
    51,711.84x = 2,392,332,762.59
  5. Step 5: Solve for x
    x = 2,392,332,762.59/51,711.84
  6. Step 6: Final answer
    x = 46,262.77

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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.