Home / 31,920.44-44,055.09-19,180.71

Finding the Fourth Proportional to 31,920.44, 44,055.09 and 19,180.71

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Solution

The fourth proportional to 31,920.44, 44,055.09 and 19,180.71 is: 26,472.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,920.44 : 44,055.09 = 19,180.71 : x
  2. Step 2: Convert to fraction form
    31,920.44/44,055.09 = 19,180.71/x
  3. Step 3: Cross multiply
    31,920.44x = 44,055.09 × 19,180.71
  4. Step 4: Simplify right side
    31,920.44x = 845,007,905.31
  5. Step 5: Solve for x
    x = 845,007,905.31/31,920.44
  6. Step 6: Final answer
    x = 26,472.32

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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.