Home / 30,370.20-45,555.28-16,310.88

Finding the Fourth Proportional to 30,370.20, 45,555.28 and 16,310.88

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Solution

The fourth proportional to 30,370.20, 45,555.28 and 16,310.88 is: 24,466.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,370.20 : 45,555.28 = 16,310.88 : x
  2. Step 2: Convert to fraction form
    30,370.20/45,555.28 = 16,310.88/x
  3. Step 3: Cross multiply
    30,370.20x = 45,555.28 × 16,310.88
  4. Step 4: Simplify right side
    30,370.20x = 743,046,705.45
  5. Step 5: Solve for x
    x = 743,046,705.45/30,370.20
  6. Step 6: Final answer
    x = 24,466.31

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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.