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Finding the Fourth Proportional to 34,563.60, 51,859.95 and 20,550.39

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Solution

The fourth proportional to 34,563.60, 51,859.95 and 20,550.39 is: 30,834.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,563.60 : 51,859.95 = 20,550.39 : x
  2. Step 2: Convert to fraction form
    34,563.60/51,859.95 = 20,550.39/x
  3. Step 3: Cross multiply
    34,563.60x = 51,859.95 × 20,550.39
  4. Step 4: Simplify right side
    34,563.60x = 1,065,742,197.88
  5. Step 5: Solve for x
    x = 1,065,742,197.88/34,563.60
  6. Step 6: Final answer
    x = 30,834.24

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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.