Home / 31,308.27-46,965.30-11,322.75

Finding the Fourth Proportional to 31,308.27, 46,965.30 and 11,322.75

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Solution

The fourth proportional to 31,308.27, 46,965.30 and 11,322.75 is: 16,985.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,308.27 : 46,965.30 = 11,322.75 : x
  2. Step 2: Convert to fraction form
    31,308.27/46,965.30 = 11,322.75/x
  3. Step 3: Cross multiply
    31,308.27x = 46,965.30 × 11,322.75
  4. Step 4: Simplify right side
    31,308.27x = 531,776,350.58
  5. Step 5: Solve for x
    x = 531,776,350.58/31,308.27
  6. Step 6: Final answer
    x = 16,985.17

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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.