Home / 30,129.59-41,584.66-17,391.04

Finding the Fourth Proportional to 30,129.59, 41,584.66 and 17,391.04

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Solution

The fourth proportional to 30,129.59, 41,584.66 and 17,391.04 is: 24,002.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,129.59 : 41,584.66 = 17,391.04 : x
  2. Step 2: Convert to fraction form
    30,129.59/41,584.66 = 17,391.04/x
  3. Step 3: Cross multiply
    30,129.59x = 41,584.66 × 17,391.04
  4. Step 4: Simplify right side
    30,129.59x = 723,200,338.01
  5. Step 5: Solve for x
    x = 723,200,338.01/30,129.59
  6. Step 6: Final answer
    x = 24,002.99

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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.