Home / 30,125.92-41,573.87-18,189.36

Finding the Fourth Proportional to 30,125.92, 41,573.87 and 18,189.36

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Solution

The fourth proportional to 30,125.92, 41,573.87 and 18,189.36 is: 25,101.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,125.92 : 41,573.87 = 18,189.36 : x
  2. Step 2: Convert to fraction form
    30,125.92/41,573.87 = 18,189.36/x
  3. Step 3: Cross multiply
    30,125.92x = 41,573.87 × 18,189.36
  4. Step 4: Simplify right side
    30,125.92x = 756,202,088.02
  5. Step 5: Solve for x
    x = 756,202,088.02/30,125.92
  6. Step 6: Final answer
    x = 25,101.38

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Double scale
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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.