Home / 29,077.52-43,622.42-12,438.09

Finding the Fourth Proportional to 29,077.52, 43,622.42 and 12,438.09

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Solution

The fourth proportional to 29,077.52, 43,622.42 and 12,438.09 is: 18,659.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,077.52 : 43,622.42 = 12,438.09 : x
  2. Step 2: Convert to fraction form
    29,077.52/43,622.42 = 12,438.09/x
  3. Step 3: Cross multiply
    29,077.52x = 43,622.42 × 12,438.09
  4. Step 4: Simplify right side
    29,077.52x = 542,579,523.79
  5. Step 5: Solve for x
    x = 542,579,523.79/29,077.52
  6. Step 6: Final answer
    x = 18,659.76

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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.