Home / 31,287.12-43,165.44-17,848.68

Finding the Fourth Proportional to 31,287.12, 43,165.44 and 17,848.68

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Solution

The fourth proportional to 31,287.12, 43,165.44 and 17,848.68 is: 24,625.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,287.12 : 43,165.44 = 17,848.68 : x
  2. Step 2: Convert to fraction form
    31,287.12/43,165.44 = 17,848.68/x
  3. Step 3: Cross multiply
    31,287.12x = 43,165.44 × 17,848.68
  4. Step 4: Simplify right side
    31,287.12x = 770,446,125.62
  5. Step 5: Solve for x
    x = 770,446,125.62/31,287.12
  6. Step 6: Final answer
    x = 24,625.03

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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.