Home / 36,213.64-49,979.44-20,298.09

Finding the Fourth Proportional to 36,213.64, 49,979.44 and 20,298.09

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Solution

The fourth proportional to 36,213.64, 49,979.44 and 20,298.09 is: 28,013.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,213.64 : 49,979.44 = 20,298.09 : x
  2. Step 2: Convert to fraction form
    36,213.64/49,979.44 = 20,298.09/x
  3. Step 3: Cross multiply
    36,213.64x = 49,979.44 × 20,298.09
  4. Step 4: Simplify right side
    36,213.64x = 1,014,487,412.61
  5. Step 5: Solve for x
    x = 1,014,487,412.61/36,213.64
  6. Step 6: Final answer
    x = 28,013.96

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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.