Home / 31,515.36-47,282.31-9,329.33

Finding the Fourth Proportional to 31,515.36, 47,282.31 and 9,329.33

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Solution

The fourth proportional to 31,515.36, 47,282.31 and 9,329.33 is: 13,996.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,515.36 : 47,282.31 = 9,329.33 : x
  2. Step 2: Convert to fraction form
    31,515.36/47,282.31 = 9,329.33/x
  3. Step 3: Cross multiply
    31,515.36x = 47,282.31 × 9,329.33
  4. Step 4: Simplify right side
    31,515.36x = 441,112,036.74
  5. Step 5: Solve for x
    x = 441,112,036.74/31,515.36
  6. Step 6: Final answer
    x = 13,996.73

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1.5x scale

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.