Home / 43,354.79-65,032.19-12,190.04

Finding the Fourth Proportional to 43,354.79, 65,032.19 and 12,190.04

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Solution

The fourth proportional to 43,354.79, 65,032.19 and 12,190.04 is: 18,285.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,354.79 : 65,032.19 = 12,190.04 : x
  2. Step 2: Convert to fraction form
    43,354.79/65,032.19 = 12,190.04/x
  3. Step 3: Cross multiply
    43,354.79x = 65,032.19 × 12,190.04
  4. Step 4: Simplify right side
    43,354.79x = 792,744,611.28
  5. Step 5: Solve for x
    x = 792,744,611.28/43,354.79
  6. Step 6: Final answer
    x = 18,285.05

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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.