Home / 36,333.45-50,140.89-20,419.02

Finding the Fourth Proportional to 36,333.45, 50,140.89 and 20,419.02

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Solution

The fourth proportional to 36,333.45, 50,140.89 and 20,419.02 is: 28,178.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,333.45 : 50,140.89 = 20,419.02 : x
  2. Step 2: Convert to fraction form
    36,333.45/50,140.89 = 20,419.02/x
  3. Step 3: Cross multiply
    36,333.45x = 50,140.89 × 20,419.02
  4. Step 4: Simplify right side
    36,333.45x = 1,023,827,835.73
  5. Step 5: Solve for x
    x = 1,023,827,835.73/36,333.45
  6. Step 6: Final answer
    x = 28,178.66

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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.