Home / 31,476.38-47,208.27-20,198.33

Finding the Fourth Proportional to 31,476.38, 47,208.27 and 20,198.33

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Solution

The fourth proportional to 31,476.38, 47,208.27 and 20,198.33 is: 30,293.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,476.38 : 47,208.27 = 20,198.33 : x
  2. Step 2: Convert to fraction form
    31,476.38/47,208.27 = 20,198.33/x
  3. Step 3: Cross multiply
    31,476.38x = 47,208.27 × 20,198.33
  4. Step 4: Simplify right side
    31,476.38x = 953,528,216.19
  5. Step 5: Solve for x
    x = 953,528,216.19/31,476.38
  6. Step 6: Final answer
    x = 30,293.45

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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.