Home / 30,668.88-42,320.96-17,242.22

Finding the Fourth Proportional to 30,668.88, 42,320.96 and 17,242.22

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Solution

The fourth proportional to 30,668.88, 42,320.96 and 17,242.22 is: 23,793.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,668.88 : 42,320.96 = 17,242.22 : x
  2. Step 2: Convert to fraction form
    30,668.88/42,320.96 = 17,242.22/x
  3. Step 3: Cross multiply
    30,668.88x = 42,320.96 × 17,242.22
  4. Step 4: Simplify right side
    30,668.88x = 729,707,100.63
  5. Step 5: Solve for x
    x = 729,707,100.63/30,668.88
  6. Step 6: Final answer
    x = 23,793.08

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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.