Home / 30,892.04-42,630.97-16,744.88

Finding the Fourth Proportional to 30,892.04, 42,630.97 and 16,744.88

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Solution

The fourth proportional to 30,892.04, 42,630.97 and 16,744.88 is: 23,107.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,892.04 : 42,630.97 = 16,744.88 : x
  2. Step 2: Convert to fraction form
    30,892.04/42,630.97 = 16,744.88/x
  3. Step 3: Cross multiply
    30,892.04x = 42,630.97 × 16,744.88
  4. Step 4: Simplify right side
    30,892.04x = 713,850,221.92
  5. Step 5: Solve for x
    x = 713,850,221.92/30,892.04
  6. Step 6: Final answer
    x = 23,107.91

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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.