Home / 36,012.60-49,677.42-21,105.72

Finding the Fourth Proportional to 36,012.60, 49,677.42 and 21,105.72

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Solution

The fourth proportional to 36,012.60, 49,677.42 and 21,105.72 is: 29,114.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,012.60 : 49,677.42 = 21,105.72 : x
  2. Step 2: Convert to fraction form
    36,012.60/49,677.42 = 21,105.72/x
  3. Step 3: Cross multiply
    36,012.60x = 49,677.42 × 21,105.72
  4. Step 4: Simplify right side
    36,012.60x = 1,048,477,716.84
  5. Step 5: Solve for x
    x = 1,048,477,716.84/36,012.60
  6. Step 6: Final answer
    x = 29,114.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.