Home / 31,457.44-43,411.56-17,310.58

Finding the Fourth Proportional to 31,457.44, 43,411.56 and 17,310.58

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Solution

The fourth proportional to 31,457.44, 43,411.56 and 17,310.58 is: 23,888.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,457.44 : 43,411.56 = 17,310.58 : x
  2. Step 2: Convert to fraction form
    31,457.44/43,411.56 = 17,310.58/x
  3. Step 3: Cross multiply
    31,457.44x = 43,411.56 × 17,310.58
  4. Step 4: Simplify right side
    31,457.44x = 751,479,282.30
  5. Step 5: Solve for x
    x = 751,479,282.30/31,457.44
  6. Step 6: Final answer
    x = 23,888.76

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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.