Home / 36,308.64-50,104.08-20,393.76

Finding the Fourth Proportional to 36,308.64, 50,104.08 and 20,393.76

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Solution

The fourth proportional to 36,308.64, 50,104.08 and 20,393.76 is: 28,142.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,308.64 : 50,104.08 = 20,393.76 : x
  2. Step 2: Convert to fraction form
    36,308.64/50,104.08 = 20,393.76/x
  3. Step 3: Cross multiply
    36,308.64x = 50,104.08 × 20,393.76
  4. Step 4: Simplify right side
    36,308.64x = 1,021,810,582.54
  5. Step 5: Solve for x
    x = 1,021,810,582.54/36,308.64
  6. Step 6: Final answer
    x = 28,142.35

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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.