Home / 33,687.43-50,503.71-12,615.64

Finding the Fourth Proportional to 33,687.43, 50,503.71 and 12,615.64

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Solution

The fourth proportional to 33,687.43, 50,503.71 and 12,615.64 is: 18,913.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,687.43 : 50,503.71 = 12,615.64 : x
  2. Step 2: Convert to fraction form
    33,687.43/50,503.71 = 12,615.64/x
  3. Step 3: Cross multiply
    33,687.43x = 50,503.71 × 12,615.64
  4. Step 4: Simplify right side
    33,687.43x = 637,136,624.02
  5. Step 5: Solve for x
    x = 637,136,624.02/33,687.43
  6. Step 6: Final answer
    x = 18,913.19

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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.