Home / 30,540.34-42,144.49-17,110.92

Finding the Fourth Proportional to 30,540.34, 42,144.49 and 17,110.92

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Solution

The fourth proportional to 30,540.34, 42,144.49 and 17,110.92 is: 23,612.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,540.34 : 42,144.49 = 17,110.92 : x
  2. Step 2: Convert to fraction form
    30,540.34/42,144.49 = 17,110.92/x
  3. Step 3: Cross multiply
    30,540.34x = 42,144.49 × 17,110.92
  4. Step 4: Simplify right side
    30,540.34x = 721,130,996.83
  5. Step 5: Solve for x
    x = 721,130,996.83/30,540.34
  6. Step 6: Final answer
    x = 23,612.41

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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.