Home / 31,395.78-47,089.62-26,163.45

Finding the Fourth Proportional to 31,395.78, 47,089.62 and 26,163.45

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Solution

The fourth proportional to 31,395.78, 47,089.62 and 26,163.45 is: 39,241.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,395.78 : 47,089.62 = 26,163.45 : x
  2. Step 2: Convert to fraction form
    31,395.78/47,089.62 = 26,163.45/x
  3. Step 3: Cross multiply
    31,395.78x = 47,089.62 × 26,163.45
  4. Step 4: Simplify right side
    31,395.78x = 1,232,026,918.39
  5. Step 5: Solve for x
    x = 1,232,026,918.39/31,395.78
  6. Step 6: Final answer
    x = 39,241.80

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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.