Home / 31,346.94-43,262.58-17,918.76

Finding the Fourth Proportional to 31,346.94, 43,262.58 and 17,918.76

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Solution

The fourth proportional to 31,346.94, 43,262.58 and 17,918.76 is: 24,730.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,346.94 : 43,262.58 = 17,918.76 : x
  2. Step 2: Convert to fraction form
    31,346.94/43,262.58 = 17,918.76/x
  3. Step 3: Cross multiply
    31,346.94x = 43,262.58 × 17,918.76
  4. Step 4: Simplify right side
    31,346.94x = 775,211,788.00
  5. Step 5: Solve for x
    x = 775,211,788.00/31,346.94
  6. Step 6: Final answer
    x = 24,730.06

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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.