Home / 36,807.21-55,214.33-13,428.09

Finding the Fourth Proportional to 36,807.21, 55,214.33 and 13,428.09

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Solution

The fourth proportional to 36,807.21, 55,214.33 and 13,428.09 is: 20,143.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,807.21 : 55,214.33 = 13,428.09 : x
  2. Step 2: Convert to fraction form
    36,807.21/55,214.33 = 13,428.09/x
  3. Step 3: Cross multiply
    36,807.21x = 55,214.33 × 13,428.09
  4. Step 4: Simplify right side
    36,807.21x = 741,422,925.39
  5. Step 5: Solve for x
    x = 741,422,925.39/36,807.21
  6. Step 6: Final answer
    x = 20,143.42

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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.