Home / 31,395.09-43,324.47-17,965.49

Finding the Fourth Proportional to 31,395.09, 43,324.47 and 17,965.49

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Solution

The fourth proportional to 31,395.09, 43,324.47 and 17,965.49 is: 24,791.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,395.09 : 43,324.47 = 17,965.49 : x
  2. Step 2: Convert to fraction form
    31,395.09/43,324.47 = 17,965.49/x
  3. Step 3: Cross multiply
    31,395.09x = 43,324.47 × 17,965.49
  4. Step 4: Simplify right side
    31,395.09x = 778,345,269.14
  5. Step 5: Solve for x
    x = 778,345,269.14/31,395.09
  6. Step 6: Final answer
    x = 24,791.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.