Home / 30,141.39-41,595.03-18,202.38

Finding the Fourth Proportional to 30,141.39, 41,595.03 and 18,202.38

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Solution

The fourth proportional to 30,141.39, 41,595.03 and 18,202.38 is: 25,119.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,141.39 : 41,595.03 = 18,202.38 : x
  2. Step 2: Convert to fraction form
    30,141.39/41,595.03 = 18,202.38/x
  3. Step 3: Cross multiply
    30,141.39x = 41,595.03 × 18,202.38
  4. Step 4: Simplify right side
    30,141.39x = 757,128,542.17
  5. Step 5: Solve for x
    x = 757,128,542.17/30,141.39
  6. Step 6: Final answer
    x = 25,119.23

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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.