Home / 31,485.60-43,449.84-17,338.14

Finding the Fourth Proportional to 31,485.60, 43,449.84 and 17,338.14

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Solution

The fourth proportional to 31,485.60, 43,449.84 and 17,338.14 is: 23,926.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,485.60 : 43,449.84 = 17,338.14 : x
  2. Step 2: Convert to fraction form
    31,485.60/43,449.84 = 17,338.14/x
  3. Step 3: Cross multiply
    31,485.60x = 43,449.84 × 17,338.14
  4. Step 4: Simplify right side
    31,485.60x = 753,339,408.90
  5. Step 5: Solve for x
    x = 753,339,408.90/31,485.60
  6. Step 6: Final answer
    x = 23,926.47

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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.