Home / 31,069.27-46,618.35-13,305.40

Finding the Fourth Proportional to 31,069.27, 46,618.35 and 13,305.40

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Solution

The fourth proportional to 31,069.27, 46,618.35 and 13,305.40 is: 19,964.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,069.27 : 46,618.35 = 13,305.40 : x
  2. Step 2: Convert to fraction form
    31,069.27/46,618.35 = 13,305.40/x
  3. Step 3: Cross multiply
    31,069.27x = 46,618.35 × 13,305.40
  4. Step 4: Simplify right side
    31,069.27x = 620,275,794.09
  5. Step 5: Solve for x
    x = 620,275,794.09/31,069.27
  6. Step 6: Final answer
    x = 19,964.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.