Home / 30,634.13-42,274.78-17,204.42

Finding the Fourth Proportional to 30,634.13, 42,274.78 and 17,204.42

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Solution

The fourth proportional to 30,634.13, 42,274.78 and 17,204.42 is: 23,741.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,634.13 : 42,274.78 = 17,204.42 : x
  2. Step 2: Convert to fraction form
    30,634.13/42,274.78 = 17,204.42/x
  3. Step 3: Cross multiply
    30,634.13x = 42,274.78 × 17,204.42
  4. Step 4: Simplify right side
    30,634.13x = 727,313,133.20
  5. Step 5: Solve for x
    x = 727,313,133.20/30,634.13
  6. Step 6: Final answer
    x = 23,741.92

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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.