Home / 43,387.20-65,006.52-23,679.60

Finding the Fourth Proportional to 43,387.20, 65,006.52 and 23,679.60

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Solution

The fourth proportional to 43,387.20, 65,006.52 and 23,679.60 is: 35,478.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,387.20 : 65,006.52 = 23,679.60 : x
  2. Step 2: Convert to fraction form
    43,387.20/65,006.52 = 23,679.60/x
  3. Step 3: Cross multiply
    43,387.20x = 65,006.52 × 23,679.60
  4. Step 4: Simplify right side
    43,387.20x = 1,539,328,390.99
  5. Step 5: Solve for x
    x = 1,539,328,390.99/43,387.20
  6. Step 6: Final answer
    x = 35,478.86

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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.