Home / 31,940.93-44,078.97-18,331.16

Finding the Fourth Proportional to 31,940.93, 44,078.97 and 18,331.16

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Solution

The fourth proportional to 31,940.93, 44,078.97 and 18,331.16 is: 25,297.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,940.93 : 44,078.97 = 18,331.16 : x
  2. Step 2: Convert to fraction form
    31,940.93/44,078.97 = 18,331.16/x
  3. Step 3: Cross multiply
    31,940.93x = 44,078.97 × 18,331.16
  4. Step 4: Simplify right side
    31,940.93x = 808,018,651.71
  5. Step 5: Solve for x
    x = 808,018,651.71/31,940.93
  6. Step 6: Final answer
    x = 25,297.28

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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.