Home / 29,231.70-43,854.75-8,457.30

Finding the Fourth Proportional to 29,231.70, 43,854.75 and 8,457.30

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Solution

The fourth proportional to 29,231.70, 43,854.75 and 8,457.30 is: 12,688.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,231.70 : 43,854.75 = 8,457.30 : x
  2. Step 2: Convert to fraction form
    29,231.70/43,854.75 = 8,457.30/x
  3. Step 3: Cross multiply
    29,231.70x = 43,854.75 × 8,457.30
  4. Step 4: Simplify right side
    29,231.70x = 370,892,777.18
  5. Step 5: Solve for x
    x = 370,892,777.18/29,231.70
  6. Step 6: Final answer
    x = 12,688.03

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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.