Home / 31,943.88-44,078.31-18,514.35

Finding the Fourth Proportional to 31,943.88, 44,078.31 and 18,514.35

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Solution

The fourth proportional to 31,943.88, 44,078.31 and 18,514.35 is: 25,547.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,943.88 : 44,078.31 = 18,514.35 : x
  2. Step 2: Convert to fraction form
    31,943.88/44,078.31 = 18,514.35/x
  3. Step 3: Cross multiply
    31,943.88x = 44,078.31 × 18,514.35
  4. Step 4: Simplify right side
    31,943.88x = 816,081,258.75
  5. Step 5: Solve for x
    x = 816,081,258.75/31,943.88
  6. Step 6: Final answer
    x = 25,547.34

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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.