Home / 43,390.20-65,011-23,682.60

Finding the Fourth Proportional to 43,390.20, 65,011 and 23,682.60

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Solution

The fourth proportional to 43,390.20, 65,011 and 23,682.60 is: 35,483.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,390.20 : 65,011 = 23,682.60 : x
  2. Step 2: Convert to fraction form
    43,390.20/65,011 = 23,682.60/x
  3. Step 3: Cross multiply
    43,390.20x = 65,011 × 23,682.60
  4. Step 4: Simplify right side
    43,390.20x = 1,539,629,508.60
  5. Step 5: Solve for x
    x = 1,539,629,508.60/43,390.20
  6. Step 6: Final answer
    x = 35,483.35

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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.