Home / 30,153.26-41,605.16-18,214.26

Finding the Fourth Proportional to 30,153.26, 41,605.16 and 18,214.26

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Solution

The fourth proportional to 30,153.26, 41,605.16 and 18,214.26 is: 25,131.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,153.26 : 41,605.16 = 18,214.26 : x
  2. Step 2: Convert to fraction form
    30,153.26/41,605.16 = 18,214.26/x
  3. Step 3: Cross multiply
    30,153.26x = 41,605.16 × 18,214.26
  4. Step 4: Simplify right side
    30,153.26x = 757,807,110.51
  5. Step 5: Solve for x
    x = 757,807,110.51/30,153.26
  6. Step 6: Final answer
    x = 25,131.85

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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.