Home / 30,995.14-42,766.20-17,563.30

Finding the Fourth Proportional to 30,995.14, 42,766.20 and 17,563.30

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Solution

The fourth proportional to 30,995.14, 42,766.20 and 17,563.30 is: 24,233.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,995.14 : 42,766.20 = 17,563.30 : x
  2. Step 2: Convert to fraction form
    30,995.14/42,766.20 = 17,563.30/x
  3. Step 3: Cross multiply
    30,995.14x = 42,766.20 × 17,563.30
  4. Step 4: Simplify right side
    30,995.14x = 751,115,600.46
  5. Step 5: Solve for x
    x = 751,115,600.46/30,995.14
  6. Step 6: Final answer
    x = 24,233.33

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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.