Home / 36,530.79-54,652.01-28,147.29

Finding the Fourth Proportional to 36,530.79, 54,652.01 and 28,147.29

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Solution

The fourth proportional to 36,530.79, 54,652.01 and 28,147.29 is: 42,109.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,530.79 : 54,652.01 = 28,147.29 : x
  2. Step 2: Convert to fraction form
    36,530.79/54,652.01 = 28,147.29/x
  3. Step 3: Cross multiply
    36,530.79x = 54,652.01 × 28,147.29
  4. Step 4: Simplify right side
    36,530.79x = 1,538,305,833.82
  5. Step 5: Solve for x
    x = 1,538,305,833.82/36,530.79
  6. Step 6: Final answer
    x = 42,109.84

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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.