Home / 35,163.45-52,739.49-12,987.27

Finding the Fourth Proportional to 35,163.45, 52,739.49 and 12,987.27

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Solution

The fourth proportional to 35,163.45, 52,739.49 and 12,987.27 is: 19,478.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,163.45 : 52,739.49 = 12,987.27 : x
  2. Step 2: Convert to fraction form
    35,163.45/52,739.49 = 12,987.27/x
  3. Step 3: Cross multiply
    35,163.45x = 52,739.49 × 12,987.27
  4. Step 4: Simplify right side
    35,163.45x = 684,941,996.29
  5. Step 5: Solve for x
    x = 684,941,996.29/35,163.45
  6. Step 6: Final answer
    x = 19,478.81

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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.