Home / 73,999.32-111,000.96-21,410.88

Finding the Fourth Proportional to 73,999.32, 111,000.96 and 21,410.88

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Solution

The fourth proportional to 73,999.32, 111,000.96 and 21,410.88 is: 32,116.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,999.32 : 111,000.96 = 21,410.88 : x
  2. Step 2: Convert to fraction form
    73,999.32/111,000.96 = 21,410.88/x
  3. Step 3: Cross multiply
    73,999.32x = 111,000.96 × 21,410.88
  4. Step 4: Simplify right side
    73,999.32x = 2,376,628,234.44
  5. Step 5: Solve for x
    x = 2,376,628,234.44/73,999.32
  6. Step 6: Final answer
    x = 32,116.89

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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.