Home / 36,226.50-49,992.72-21,129.60

Finding the Fourth Proportional to 36,226.50, 49,992.72 and 21,129.60

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Solution

The fourth proportional to 36,226.50, 49,992.72 and 21,129.60 is: 29,158.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,226.50 : 49,992.72 = 21,129.60 : x
  2. Step 2: Convert to fraction form
    36,226.50/49,992.72 = 21,129.60/x
  3. Step 3: Cross multiply
    36,226.50x = 49,992.72 × 21,129.60
  4. Step 4: Simplify right side
    36,226.50x = 1,056,326,176.51
  5. Step 5: Solve for x
    x = 1,056,326,176.51/36,226.50
  6. Step 6: Final answer
    x = 29,158.94

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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.