Home / 36,906.60-55,349.10-13,211.40

Finding the Fourth Proportional to 36,906.60, 55,349.10 and 13,211.40

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Solution

The fourth proportional to 36,906.60, 55,349.10 and 13,211.40 is: 19,813.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,906.60 : 55,349.10 = 13,211.40 : x
  2. Step 2: Convert to fraction form
    36,906.60/55,349.10 = 13,211.40/x
  3. Step 3: Cross multiply
    36,906.60x = 55,349.10 × 13,211.40
  4. Step 4: Simplify right side
    36,906.60x = 731,239,099.74
  5. Step 5: Solve for x
    x = 731,239,099.74/36,906.60
  6. Step 6: Final answer
    x = 19,813.23

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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.