Home / 31,278.44-46,891.80-14,630.28

Finding the Fourth Proportional to 31,278.44, 46,891.80 and 14,630.28

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Solution

The fourth proportional to 31,278.44, 46,891.80 and 14,630.28 is: 21,933.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,278.44 : 46,891.80 = 14,630.28 : x
  2. Step 2: Convert to fraction form
    31,278.44/46,891.80 = 14,630.28/x
  3. Step 3: Cross multiply
    31,278.44x = 46,891.80 × 14,630.28
  4. Step 4: Simplify right side
    31,278.44x = 686,040,163.70
  5. Step 5: Solve for x
    x = 686,040,163.70/31,278.44
  6. Step 6: Final answer
    x = 21,933.32

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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.