Home / 34,640.36-47,791.14-28,379.24

Finding the Fourth Proportional to 34,640.36, 47,791.14 and 28,379.24

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Solution

The fourth proportional to 34,640.36, 47,791.14 and 28,379.24 is: 39,153.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,640.36 : 47,791.14 = 28,379.24 : x
  2. Step 2: Convert to fraction form
    34,640.36/47,791.14 = 28,379.24/x
  3. Step 3: Cross multiply
    34,640.36x = 47,791.14 × 28,379.24
  4. Step 4: Simplify right side
    34,640.36x = 1,356,276,231.93
  5. Step 5: Solve for x
    x = 1,356,276,231.93/34,640.36
  6. Step 6: Final answer
    x = 39,153.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.