Home / 43,664.70-65,497.05-19,972.20

Finding the Fourth Proportional to 43,664.70, 65,497.05 and 19,972.20

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Solution

The fourth proportional to 43,664.70, 65,497.05 and 19,972.20 is: 29,958.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,664.70 : 65,497.05 = 19,972.20 : x
  2. Step 2: Convert to fraction form
    43,664.70/65,497.05 = 19,972.20/x
  3. Step 3: Cross multiply
    43,664.70x = 65,497.05 × 19,972.20
  4. Step 4: Simplify right side
    43,664.70x = 1,308,120,182.01
  5. Step 5: Solve for x
    x = 1,308,120,182.01/43,664.70
  6. Step 6: Final answer
    x = 29,958.30

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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.