Home / 43,539.56-65,257.50-30,320.36

Finding the Fourth Proportional to 43,539.56, 65,257.50 and 30,320.36

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Solution

The fourth proportional to 43,539.56, 65,257.50 and 30,320.36 is: 45,444.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,539.56 : 65,257.50 = 30,320.36 : x
  2. Step 2: Convert to fraction form
    43,539.56/65,257.50 = 30,320.36/x
  3. Step 3: Cross multiply
    43,539.56x = 65,257.50 × 30,320.36
  4. Step 4: Simplify right side
    43,539.56x = 1,978,630,892.70
  5. Step 5: Solve for x
    x = 1,978,630,892.70/43,539.56
  6. Step 6: Final answer
    x = 45,444.44

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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.