Home / 47,530.21-71,153.22-28,753.53

Finding the Fourth Proportional to 47,530.21, 71,153.22 and 28,753.53

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Solution

The fourth proportional to 47,530.21, 71,153.22 and 28,753.53 is: 43,044.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,530.21 : 71,153.22 = 28,753.53 : x
  2. Step 2: Convert to fraction form
    47,530.21/71,153.22 = 28,753.53/x
  3. Step 3: Cross multiply
    47,530.21x = 71,153.22 × 28,753.53
  4. Step 4: Simplify right side
    47,530.21x = 2,045,906,245.87
  5. Step 5: Solve for x
    x = 2,045,906,245.87/47,530.21
  6. Step 6: Final answer
    x = 43,044.33

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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.