Home / 31,854.88-43,954.56-17,707.36

Finding the Fourth Proportional to 31,854.88, 43,954.56 and 17,707.36

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Solution

The fourth proportional to 31,854.88, 43,954.56 and 17,707.36 is: 24,433.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,854.88 : 43,954.56 = 17,707.36 : x
  2. Step 2: Convert to fraction form
    31,854.88/43,954.56 = 17,707.36/x
  3. Step 3: Cross multiply
    31,854.88x = 43,954.56 × 17,707.36
  4. Step 4: Simplify right side
    31,854.88x = 778,319,217.56
  5. Step 5: Solve for x
    x = 778,319,217.56/31,854.88
  6. Step 6: Final answer
    x = 24,433.28

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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.