Home / 43,487.73-65,250.16-18,539.53

Finding the Fourth Proportional to 43,487.73, 65,250.16 and 18,539.53

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Solution

The fourth proportional to 43,487.73, 65,250.16 and 18,539.53 is: 27,817.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,487.73 : 65,250.16 = 18,539.53 : x
  2. Step 2: Convert to fraction form
    43,487.73/65,250.16 = 18,539.53/x
  3. Step 3: Cross multiply
    43,487.73x = 65,250.16 × 18,539.53
  4. Step 4: Simplify right side
    43,487.73x = 1,209,707,089.35
  5. Step 5: Solve for x
    x = 1,209,707,089.35/43,487.73
  6. Step 6: Final answer
    x = 27,817.20

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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.