Home / 36,039.60-49,734.72-20,124

Finding the Fourth Proportional to 36,039.60, 49,734.72 and 20,124

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Solution

The fourth proportional to 36,039.60, 49,734.72 and 20,124 is: 27,771.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,039.60 : 49,734.72 = 20,124 : x
  2. Step 2: Convert to fraction form
    36,039.60/49,734.72 = 20,124/x
  3. Step 3: Cross multiply
    36,039.60x = 49,734.72 × 20,124
  4. Step 4: Simplify right side
    36,039.60x = 1,000,861,505.28
  5. Step 5: Solve for x
    x = 1,000,861,505.28/36,039.60
  6. Step 6: Final answer
    x = 27,771.16

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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.