Home / 29,489.56-40,624.12-21,922.80

Finding the Fourth Proportional to 29,489.56, 40,624.12 and 21,922.80

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Solution

The fourth proportional to 29,489.56, 40,624.12 and 21,922.80 is: 30,200.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,489.56 : 40,624.12 = 21,922.80 : x
  2. Step 2: Convert to fraction form
    29,489.56/40,624.12 = 21,922.80/x
  3. Step 3: Cross multiply
    29,489.56x = 40,624.12 × 21,922.80
  4. Step 4: Simplify right side
    29,489.56x = 890,594,457.94
  5. Step 5: Solve for x
    x = 890,594,457.94/29,489.56
  6. Step 6: Final answer
    x = 30,200.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.