Home / 43,600.68-65,425.98-18,637.80

Finding the Fourth Proportional to 43,600.68, 65,425.98 and 18,637.80

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Solution

The fourth proportional to 43,600.68, 65,425.98 and 18,637.80 is: 27,967.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,600.68 : 65,425.98 = 18,637.80 : x
  2. Step 2: Convert to fraction form
    43,600.68/65,425.98 = 18,637.80/x
  3. Step 3: Cross multiply
    43,600.68x = 65,425.98 × 18,637.80
  4. Step 4: Simplify right side
    43,600.68x = 1,219,396,330.04
  5. Step 5: Solve for x
    x = 1,219,396,330.04/43,600.68
  6. Step 6: Final answer
    x = 27,967.37

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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.