Home / 36,312.69-50,121.04-20,402.27

Finding the Fourth Proportional to 36,312.69, 50,121.04 and 20,402.27

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Solution

The fourth proportional to 36,312.69, 50,121.04 and 20,402.27 is: 28,160.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,312.69 : 50,121.04 = 20,402.27 : x
  2. Step 2: Convert to fraction form
    36,312.69/50,121.04 = 20,402.27/x
  3. Step 3: Cross multiply
    36,312.69x = 50,121.04 × 20,402.27
  4. Step 4: Simplify right side
    36,312.69x = 1,022,582,990.76
  5. Step 5: Solve for x
    x = 1,022,582,990.76/36,312.69
  6. Step 6: Final answer
    x = 28,160.49

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Half scale
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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.