Home / 51,640.38-77,396-22,023.68

Finding the Fourth Proportional to 51,640.38, 77,396 and 22,023.68

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Solution

The fourth proportional to 51,640.38, 77,396 and 22,023.68 is: 33,007.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,640.38 : 77,396 = 22,023.68 : x
  2. Step 2: Convert to fraction form
    51,640.38/77,396 = 22,023.68/x
  3. Step 3: Cross multiply
    51,640.38x = 77,396 × 22,023.68
  4. Step 4: Simplify right side
    51,640.38x = 1,704,544,737.28
  5. Step 5: Solve for x
    x = 1,704,544,737.28/51,640.38
  6. Step 6: Final answer
    x = 33,007.98

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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.