Home / 30,100.30-41,538.99-18,013.21

Finding the Fourth Proportional to 30,100.30, 41,538.99 and 18,013.21

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Solution

The fourth proportional to 30,100.30, 41,538.99 and 18,013.21 is: 24,858.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,100.30 : 41,538.99 = 18,013.21 : x
  2. Step 2: Convert to fraction form
    30,100.30/41,538.99 = 18,013.21/x
  3. Step 3: Cross multiply
    30,100.30x = 41,538.99 × 18,013.21
  4. Step 4: Simplify right side
    30,100.30x = 748,250,550.06
  5. Step 5: Solve for x
    x = 748,250,550.06/30,100.30
  6. Step 6: Final answer
    x = 24,858.57

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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.