Home / 36,335.48-50,142.65-20,419.89

Finding the Fourth Proportional to 36,335.48, 50,142.65 and 20,419.89

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Solution

The fourth proportional to 36,335.48, 50,142.65 and 20,419.89 is: 28,179.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,335.48 : 50,142.65 = 20,419.89 : x
  2. Step 2: Convert to fraction form
    36,335.48/50,142.65 = 20,419.89/x
  3. Step 3: Cross multiply
    36,335.48x = 50,142.65 × 20,419.89
  4. Step 4: Simplify right side
    36,335.48x = 1,023,907,295.21
  5. Step 5: Solve for x
    x = 1,023,907,295.21/36,335.48
  6. Step 6: Final answer
    x = 28,179.27

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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.