Home / 31,868.33-47,809.97-31,339.40

Finding the Fourth Proportional to 31,868.33, 47,809.97 and 31,339.40

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Solution

The fourth proportional to 31,868.33, 47,809.97 and 31,339.40 is: 47,016.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,868.33 : 47,809.97 = 31,339.40 : x
  2. Step 2: Convert to fraction form
    31,868.33/47,809.97 = 31,339.40/x
  3. Step 3: Cross multiply
    31,868.33x = 47,809.97 × 31,339.40
  4. Step 4: Simplify right side
    31,868.33x = 1,498,335,378.07
  5. Step 5: Solve for x
    x = 1,498,335,378.07/31,868.33
  6. Step 6: Final answer
    x = 47,016.45

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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.