Home / 31,324.19-43,227.71-16,984.06

Finding the Fourth Proportional to 31,324.19, 43,227.71 and 16,984.06

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Solution

The fourth proportional to 31,324.19, 43,227.71 and 16,984.06 is: 23,438.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,324.19 : 43,227.71 = 16,984.06 : x
  2. Step 2: Convert to fraction form
    31,324.19/43,227.71 = 16,984.06/x
  3. Step 3: Cross multiply
    31,324.19x = 43,227.71 × 16,984.06
  4. Step 4: Simplify right side
    31,324.19x = 734,181,954.69
  5. Step 5: Solve for x
    x = 734,181,954.69/31,324.19
  6. Step 6: Final answer
    x = 23,438.18

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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.