Home / 30,593.88-42,214.44-18,021.12

Finding the Fourth Proportional to 30,593.88, 42,214.44 and 18,021.12

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Solution

The fourth proportional to 30,593.88, 42,214.44 and 18,021.12 is: 24,866.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,593.88 : 42,214.44 = 18,021.12 : x
  2. Step 2: Convert to fraction form
    30,593.88/42,214.44 = 18,021.12/x
  3. Step 3: Cross multiply
    30,593.88x = 42,214.44 × 18,021.12
  4. Step 4: Simplify right side
    30,593.88x = 760,751,488.97
  5. Step 5: Solve for x
    x = 760,751,488.97/30,593.88
  6. Step 6: Final answer
    x = 24,866.13

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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.