Home / 31,109.88-46,657.91-8,923.16

Finding the Fourth Proportional to 31,109.88, 46,657.91 and 8,923.16

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Solution

The fourth proportional to 31,109.88, 46,657.91 and 8,923.16 is: 13,382.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,109.88 : 46,657.91 = 8,923.16 : x
  2. Step 2: Convert to fraction form
    31,109.88/46,657.91 = 8,923.16/x
  3. Step 3: Cross multiply
    31,109.88x = 46,657.91 × 8,923.16
  4. Step 4: Simplify right side
    31,109.88x = 416,335,996.20
  5. Step 5: Solve for x
    x = 416,335,996.20/31,109.88
  6. Step 6: Final answer
    x = 13,382.76

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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.