Home / 34,550.88-47,677.60-20,401

Finding the Fourth Proportional to 34,550.88, 47,677.60 and 20,401

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Solution

The fourth proportional to 34,550.88, 47,677.60 and 20,401 is: 28,151.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,550.88 : 47,677.60 = 20,401 : x
  2. Step 2: Convert to fraction form
    34,550.88/47,677.60 = 20,401/x
  3. Step 3: Cross multiply
    34,550.88x = 47,677.60 × 20,401
  4. Step 4: Simplify right side
    34,550.88x = 972,670,717.60
  5. Step 5: Solve for x
    x = 972,670,717.60/34,550.88
  6. Step 6: Final answer
    x = 28,151.84

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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.