Home / 31,480.93-47,232.33-13,963.06

Finding the Fourth Proportional to 31,480.93, 47,232.33 and 13,963.06

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Solution

The fourth proportional to 31,480.93, 47,232.33 and 13,963.06 is: 20,949.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,480.93 : 47,232.33 = 13,963.06 : x
  2. Step 2: Convert to fraction form
    31,480.93/47,232.33 = 13,963.06/x
  3. Step 3: Cross multiply
    31,480.93x = 47,232.33 × 13,963.06
  4. Step 4: Simplify right side
    31,480.93x = 659,507,857.73
  5. Step 5: Solve for x
    x = 659,507,857.73/31,480.93
  6. Step 6: Final answer
    x = 20,949.44

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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.