Home / 31,101.76-46,659.99-12,382.87

Finding the Fourth Proportional to 31,101.76, 46,659.99 and 12,382.87

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Solution

The fourth proportional to 31,101.76, 46,659.99 and 12,382.87 is: 18,577.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,101.76 : 46,659.99 = 12,382.87 : x
  2. Step 2: Convert to fraction form
    31,101.76/46,659.99 = 12,382.87/x
  3. Step 3: Cross multiply
    31,101.76x = 46,659.99 × 12,382.87
  4. Step 4: Simplify right side
    31,101.76x = 577,784,590.37
  5. Step 5: Solve for x
    x = 577,784,590.37/31,101.76
  6. Step 6: Final answer
    x = 18,577.23

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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.