Home / 39,453.20-59,179.80-9,871.04

Finding the Fourth Proportional to 39,453.20, 59,179.80 and 9,871.04

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Solution

The fourth proportional to 39,453.20, 59,179.80 and 9,871.04 is: 14,806.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,453.20 : 59,179.80 = 9,871.04 : x
  2. Step 2: Convert to fraction form
    39,453.20/59,179.80 = 9,871.04/x
  3. Step 3: Cross multiply
    39,453.20x = 59,179.80 × 9,871.04
  4. Step 4: Simplify right side
    39,453.20x = 584,166,172.99
  5. Step 5: Solve for x
    x = 584,166,172.99/39,453.20
  6. Step 6: Final answer
    x = 14,806.56

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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.