Home / 30,139.87-41,584.67-17,392.16

Finding the Fourth Proportional to 30,139.87, 41,584.67 and 17,392.16

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Solution

The fourth proportional to 30,139.87, 41,584.67 and 17,392.16 is: 23,996.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,139.87 : 41,584.67 = 17,392.16 : x
  2. Step 2: Convert to fraction form
    30,139.87/41,584.67 = 17,392.16/x
  3. Step 3: Cross multiply
    30,139.87x = 41,584.67 × 17,392.16
  4. Step 4: Simplify right side
    30,139.87x = 723,247,234.19
  5. Step 5: Solve for x
    x = 723,247,234.19/30,139.87
  6. Step 6: Final answer
    x = 23,996.37

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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.