Home / 33,900.77-50,857.53-13,639.05

Finding the Fourth Proportional to 33,900.77, 50,857.53 and 13,639.05

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Solution

The fourth proportional to 33,900.77, 50,857.53 and 13,639.05 is: 20,461.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,900.77 : 50,857.53 = 13,639.05 : x
  2. Step 2: Convert to fraction form
    33,900.77/50,857.53 = 13,639.05/x
  3. Step 3: Cross multiply
    33,900.77x = 50,857.53 × 13,639.05
  4. Step 4: Simplify right side
    33,900.77x = 693,648,394.55
  5. Step 5: Solve for x
    x = 693,648,394.55/33,900.77
  6. Step 6: Final answer
    x = 20,461.14

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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.