Home / 30,323.11-41,542.81-29,186.77

Finding the Fourth Proportional to 30,323.11, 41,542.81 and 29,186.77

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Solution

The fourth proportional to 30,323.11, 41,542.81 and 29,186.77 is: 39,986.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,323.11 : 41,542.81 = 29,186.77 : x
  2. Step 2: Convert to fraction form
    30,323.11/41,542.81 = 29,186.77/x
  3. Step 3: Cross multiply
    30,323.11x = 41,542.81 × 29,186.77
  4. Step 4: Simplify right side
    30,323.11x = 1,212,500,440.62
  5. Step 5: Solve for x
    x = 1,212,500,440.62/30,323.11
  6. Step 6: Final answer
    x = 39,986.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.