Home / 64,910.67-97,380.09-19,932.18

Finding the Fourth Proportional to 64,910.67, 97,380.09 and 19,932.18

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Solution

The fourth proportional to 64,910.67, 97,380.09 and 19,932.18 is: 29,902.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,910.67 : 97,380.09 = 19,932.18 : x
  2. Step 2: Convert to fraction form
    64,910.67/97,380.09 = 19,932.18/x
  3. Step 3: Cross multiply
    64,910.67x = 97,380.09 × 19,932.18
  4. Step 4: Simplify right side
    64,910.67x = 1,940,997,482.30
  5. Step 5: Solve for x
    x = 1,940,997,482.30/64,910.67
  6. Step 6: Final answer
    x = 29,902.60

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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.