Home / 36,322.05-50,118.85-20,403.42

Finding the Fourth Proportional to 36,322.05, 50,118.85 and 20,403.42

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Solution

The fourth proportional to 36,322.05, 50,118.85 and 20,403.42 is: 28,153.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,322.05 : 50,118.85 = 20,403.42 : x
  2. Step 2: Convert to fraction form
    36,322.05/50,118.85 = 20,403.42/x
  3. Step 3: Cross multiply
    36,322.05x = 50,118.85 × 20,403.42
  4. Step 4: Simplify right side
    36,322.05x = 1,022,595,946.47
  5. Step 5: Solve for x
    x = 1,022,595,946.47/36,322.05
  6. Step 6: Final answer
    x = 28,153.59

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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.