Home / 36,353.86-50,168.27-20,438.34

Finding the Fourth Proportional to 36,353.86, 50,168.27 and 20,438.34

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Solution

The fourth proportional to 36,353.86, 50,168.27 and 20,438.34 is: 28,204.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,353.86 : 50,168.27 = 20,438.34 : x
  2. Step 2: Convert to fraction form
    36,353.86/50,168.27 = 20,438.34/x
  3. Step 3: Cross multiply
    36,353.86x = 50,168.27 × 20,438.34
  4. Step 4: Simplify right side
    36,353.86x = 1,025,356,159.47
  5. Step 5: Solve for x
    x = 1,025,356,159.47/36,353.86
  6. Step 6: Final answer
    x = 28,204.88

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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.