Home / 30,104.30-45,199.65-16,982.30

Finding the Fourth Proportional to 30,104.30, 45,199.65 and 16,982.30

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Solution

The fourth proportional to 30,104.30, 45,199.65 and 16,982.30 is: 25,497.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,104.30 : 45,199.65 = 16,982.30 : x
  2. Step 2: Convert to fraction form
    30,104.30/45,199.65 = 16,982.30/x
  3. Step 3: Cross multiply
    30,104.30x = 45,199.65 × 16,982.30
  4. Step 4: Simplify right side
    30,104.30x = 767,594,016.20
  5. Step 5: Solve for x
    x = 767,594,016.20/30,104.30
  6. Step 6: Final answer
    x = 25,497.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.