Home / 31,485.62-43,449.54-17,338.16

Finding the Fourth Proportional to 31,485.62, 43,449.54 and 17,338.16

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Solution

The fourth proportional to 31,485.62, 43,449.54 and 17,338.16 is: 23,926.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,485.62 : 43,449.54 = 17,338.16 : x
  2. Step 2: Convert to fraction form
    31,485.62/43,449.54 = 17,338.16/x
  3. Step 3: Cross multiply
    31,485.62x = 43,449.54 × 17,338.16
  4. Step 4: Simplify right side
    31,485.62x = 753,335,076.45
  5. Step 5: Solve for x
    x = 753,335,076.45/31,485.62
  6. Step 6: Final answer
    x = 23,926.32

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Double scale
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Similar ratio
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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.