Home / 43,429.50-65,144.52-12,265.02

Finding the Fourth Proportional to 43,429.50, 65,144.52 and 12,265.02

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Solution

The fourth proportional to 43,429.50, 65,144.52 and 12,265.02 is: 18,397.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,429.50 : 65,144.52 = 12,265.02 : x
  2. Step 2: Convert to fraction form
    43,429.50/65,144.52 = 12,265.02/x
  3. Step 3: Cross multiply
    43,429.50x = 65,144.52 × 12,265.02
  4. Step 4: Simplify right side
    43,429.50x = 798,998,840.69
  5. Step 5: Solve for x
    x = 798,998,840.69/43,429.50
  6. Step 6: Final answer
    x = 18,397.61

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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.