Home / 43,530.30-60,049.67-28,431.80

Finding the Fourth Proportional to 43,530.30, 60,049.67 and 28,431.80

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Solution

The fourth proportional to 43,530.30, 60,049.67 and 28,431.80 is: 39,221.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,530.30 : 60,049.67 = 28,431.80 : x
  2. Step 2: Convert to fraction form
    43,530.30/60,049.67 = 28,431.80/x
  3. Step 3: Cross multiply
    43,530.30x = 60,049.67 × 28,431.80
  4. Step 4: Simplify right side
    43,530.30x = 1,707,320,207.51
  5. Step 5: Solve for x
    x = 1,707,320,207.51/43,530.30
  6. Step 6: Final answer
    x = 39,221.42

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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.