Home / 31,909.41-44,034.93-18,481.32

Finding the Fourth Proportional to 31,909.41, 44,034.93 and 18,481.32

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Solution

The fourth proportional to 31,909.41, 44,034.93 and 18,481.32 is: 25,504.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,909.41 : 44,034.93 = 18,481.32 : x
  2. Step 2: Convert to fraction form
    31,909.41/44,034.93 = 18,481.32/x
  3. Step 3: Cross multiply
    31,909.41x = 44,034.93 × 18,481.32
  4. Step 4: Simplify right side
    31,909.41x = 813,823,632.51
  5. Step 5: Solve for x
    x = 813,823,632.51/31,909.41
  6. Step 6: Final answer
    x = 25,504.19

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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.