Home / 36,390.08-50,214.24-20,480

Finding the Fourth Proportional to 36,390.08, 50,214.24 and 20,480

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Solution

The fourth proportional to 36,390.08, 50,214.24 and 20,480 is: 28,260.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,390.08 : 50,214.24 = 20,480 : x
  2. Step 2: Convert to fraction form
    36,390.08/50,214.24 = 20,480/x
  3. Step 3: Cross multiply
    36,390.08x = 50,214.24 × 20,480
  4. Step 4: Simplify right side
    36,390.08x = 1,028,387,635.20
  5. Step 5: Solve for x
    x = 1,028,387,635.20/36,390.08
  6. Step 6: Final answer
    x = 28,260.11

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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.