Home / 31,288.37-46,939.84-10,229.38

Finding the Fourth Proportional to 31,288.37, 46,939.84 and 10,229.38

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Solution

The fourth proportional to 31,288.37, 46,939.84 and 10,229.38 is: 15,346.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,288.37 : 46,939.84 = 10,229.38 : x
  2. Step 2: Convert to fraction form
    31,288.37/46,939.84 = 10,229.38/x
  3. Step 3: Cross multiply
    31,288.37x = 46,939.84 × 10,229.38
  4. Step 4: Simplify right side
    31,288.37x = 480,165,317.58
  5. Step 5: Solve for x
    x = 480,165,317.58/31,288.37
  6. Step 6: Final answer
    x = 15,346.45

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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.