Home / 30,126.45-41,574.42-17,379.45

Finding the Fourth Proportional to 30,126.45, 41,574.42 and 17,379.45

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Solution

The fourth proportional to 30,126.45, 41,574.42 and 17,379.45 is: 23,983.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,126.45 : 41,574.42 = 17,379.45 : x
  2. Step 2: Convert to fraction form
    30,126.45/41,574.42 = 17,379.45/x
  3. Step 3: Cross multiply
    30,126.45x = 41,574.42 × 17,379.45
  4. Step 4: Simplify right side
    30,126.45x = 722,540,553.67
  5. Step 5: Solve for x
    x = 722,540,553.67/30,126.45
  6. Step 6: Final answer
    x = 23,983.59

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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.