Home / 31,485.39-43,450.16-17,338.29

Finding the Fourth Proportional to 31,485.39, 43,450.16 and 17,338.29

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Solution

The fourth proportional to 31,485.39, 43,450.16 and 17,338.29 is: 23,927.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,485.39 : 43,450.16 = 17,338.29 : x
  2. Step 2: Convert to fraction form
    31,485.39/43,450.16 = 17,338.29/x
  3. Step 3: Cross multiply
    31,485.39x = 43,450.16 × 17,338.29
  4. Step 4: Simplify right side
    31,485.39x = 753,351,474.63
  5. Step 5: Solve for x
    x = 753,351,474.63/31,485.39
  6. Step 6: Final answer
    x = 23,927.02

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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.