Home / 36,239.45-54,297.20-28,338.91

Finding the Fourth Proportional to 36,239.45, 54,297.20 and 28,338.91

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Solution

The fourth proportional to 36,239.45, 54,297.20 and 28,338.91 is: 42,459.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,239.45 : 54,297.20 = 28,338.91 : x
  2. Step 2: Convert to fraction form
    36,239.45/54,297.20 = 28,338.91/x
  3. Step 3: Cross multiply
    36,239.45x = 54,297.20 × 28,338.91
  4. Step 4: Simplify right side
    36,239.45x = 1,538,723,464.05
  5. Step 5: Solve for x
    x = 1,538,723,464.05/36,239.45
  6. Step 6: Final answer
    x = 42,459.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.