Home / 36,332.66-50,138.64-20,419.82

Finding the Fourth Proportional to 36,332.66, 50,138.64 and 20,419.82

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Solution

The fourth proportional to 36,332.66, 50,138.64 and 20,419.82 is: 28,179.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,332.66 : 50,138.64 = 20,419.82 : x
  2. Step 2: Convert to fraction form
    36,332.66/50,138.64 = 20,419.82/x
  3. Step 3: Cross multiply
    36,332.66x = 50,138.64 × 20,419.82
  4. Step 4: Simplify right side
    36,332.66x = 1,023,822,003.84
  5. Step 5: Solve for x
    x = 1,023,822,003.84/36,332.66
  6. Step 6: Final answer
    x = 28,179.11

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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.