Home / 31,119.36-46,681.38-8,932.56

Finding the Fourth Proportional to 31,119.36, 46,681.38 and 8,932.56

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Solution

The fourth proportional to 31,119.36, 46,681.38 and 8,932.56 is: 13,399.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,119.36 : 46,681.38 = 8,932.56 : x
  2. Step 2: Convert to fraction form
    31,119.36/46,681.38 = 8,932.56/x
  3. Step 3: Cross multiply
    31,119.36x = 46,681.38 × 8,932.56
  4. Step 4: Simplify right side
    31,119.36x = 416,984,227.73
  5. Step 5: Solve for x
    x = 416,984,227.73/31,119.36
  6. Step 6: Final answer
    x = 13,399.51

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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.