Home / 36,921.60-55,371.60-13,226.40

Finding the Fourth Proportional to 36,921.60, 55,371.60 and 13,226.40

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Solution

The fourth proportional to 36,921.60, 55,371.60 and 13,226.40 is: 19,835.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,921.60 : 55,371.60 = 13,226.40 : x
  2. Step 2: Convert to fraction form
    36,921.60/55,371.60 = 13,226.40/x
  3. Step 3: Cross multiply
    36,921.60x = 55,371.60 × 13,226.40
  4. Step 4: Simplify right side
    36,921.60x = 732,366,930.24
  5. Step 5: Solve for x
    x = 732,366,930.24/36,921.60
  6. Step 6: Final answer
    x = 19,835.73

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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.