Home / 30,203.22-45,310.10-11,484.86

Finding the Fourth Proportional to 30,203.22, 45,310.10 and 11,484.86

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Solution

The fourth proportional to 30,203.22, 45,310.10 and 11,484.86 is: 17,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,203.22 : 45,310.10 = 11,484.86 : x
  2. Step 2: Convert to fraction form
    30,203.22/45,310.10 = 11,484.86/x
  3. Step 3: Cross multiply
    30,203.22x = 45,310.10 × 11,484.86
  4. Step 4: Simplify right side
    30,203.22x = 520,380,210.94
  5. Step 5: Solve for x
    x = 520,380,210.94/30,203.22
  6. Step 6: Final answer
    x = 17,229.30

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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.