Home / 31,790.76-43,870.36-17,450.58

Finding the Fourth Proportional to 31,790.76, 43,870.36 and 17,450.58

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Solution

The fourth proportional to 31,790.76, 43,870.36 and 17,450.58 is: 24,081.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,790.76 : 43,870.36 = 17,450.58 : x
  2. Step 2: Convert to fraction form
    31,790.76/43,870.36 = 17,450.58/x
  3. Step 3: Cross multiply
    31,790.76x = 43,870.36 × 17,450.58
  4. Step 4: Simplify right side
    31,790.76x = 765,563,226.81
  5. Step 5: Solve for x
    x = 765,563,226.81/31,790.76
  6. Step 6: Final answer
    x = 24,081.31

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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.